diff --git a/ordinis-admin-ui/src/api/queries.ts b/ordinis-admin-ui/src/api/queries.ts
index 0365fef..236ea34 100644
--- a/ordinis-admin-ui/src/api/queries.ts
+++ b/ordinis-admin-ui/src/api/queries.ts
@@ -782,6 +782,39 @@ export const useLiveRecord = (dict: string | undefined, businessKey: string | un
 export const useDictionaries = () => useQuery(dictionariesQuery)
 export const useDictionaryDetail = (name: string | undefined) =>
   useQuery({ ...dictionaryDetailQuery(name ?? ''), enabled: Boolean(name) })
+
+/**
+ * Список всех закэшированных юзеров — для пикеров «Пользователь» в
+ * фильтрах audit/reviews. INTERNAL+ scope; non-INTERNAL получит 403,
+ * fallback на пустой массив (retry: false).
+ */
+export type UserListItem = {
+  sub: string
+  preferredUsername?: string | null
+  name?: string | null
+  email?: string | null
+  updatedAt: string
+}
+
+export const allUsersQuery = queryOptions({
+  queryKey: ['users', 'all'] as const,
+  staleTime: 5 * 60 * 1000,
+  retry: false,
+  queryFn: async (): Promise<UserListItem[]> => {
+    try {
+      const { data } = await apiClient.get<UserListItem[]>('/admin/users', {
+        params: { limit: 500 },
+      })
+      return data
+    } catch (e: unknown) {
+      const status = (e as { response?: { status?: number } })?.response?.status
+      if (status === 403 || status === 404) return []
+      throw e
+    }
+  },
+})
+
+export const useAllUsers = () => useQuery(allUsersQuery)
 export const useRecords = (
   dictionaryName: string,
   scopeCsv: string,
diff --git a/ordinis-admin-ui/src/components/audit/UserPicker.tsx b/ordinis-admin-ui/src/components/audit/UserPicker.tsx
new file mode 100644
index 0000000..f0da2f9
--- /dev/null
+++ b/ordinis-admin-ui/src/components/audit/UserPicker.tsx
@@ -0,0 +1,152 @@
+import * as React from 'react'
+import { useMemo, useState } from 'react'
+import { CaretDownIcon, MagnifyingGlassIcon, UserIcon, XIcon } from '@phosphor-icons/react'
+import { Command, CommandEmpty, CommandGroup, CommandInput, CommandItem, CommandList } from 'cmdk'
+import { Popover, PopoverTrigger, PopoverContent, FieldLabel } from '@/ui'
+import { useAllUsers, type UserListItem } from '@/api/queries'
+import { cn } from '@/lib/utils'
+
+/**
+ * Single-value user picker — cmdk-powered combobox для audit-фильтра
+ * «Пользователь». Заменяет ручной TextInput на typeahead по username/email/UUID.
+ *
+ * <p>Источник: GET /api/v1/admin/users (cached user_display table).
+ * INTERNAL+ scope требуется на backend; non-INTERNAL получит пустой
+ * список и падает на input fallback (поле остаётся редактируемым).
+ *
+ * <p>UX: trigger показывает username (или UUID prefix как fallback);
+ * X сбрасывает selection inline. В popover'е — поиск по subname/email/UUID.
+ */
+
+const labelFor = (u: UserListItem): string =>
+  u.preferredUsername || u.name || `${u.sub.slice(0, 8)}…`
+
+const secondaryFor = (u: UserListItem): string | null => {
+  if (u.email && u.email !== u.preferredUsername) return u.email
+  return null
+}
+
+export type UserPickerProps = {
+  value: string | undefined
+  onChange: (sub: string | undefined) => void
+  label?: React.ReactNode
+  placeholder?: string
+  disabled?: boolean
+}
+
+export function UserPicker({ value, onChange, label, placeholder, disabled }: UserPickerProps) {
+  const [open, setOpen] = useState(false)
+  const usersQ = useAllUsers()
+
+  const usersBySub = useMemo(() => {
+    const m = new Map<string, UserListItem>()
+    for (const u of usersQ.data ?? []) m.set(u.sub, u)
+    return m
+  }, [usersQ.data])
+
+  const selected = value ? usersBySub.get(value) : undefined
+  const triggerLabel = useMemo(() => {
+    if (!value) return placeholder ?? 'Любой'
+    if (selected) return labelFor(selected)
+    // Value есть, но юзера нет в кеше — показываем UUID prefix.
+    return `${value.slice(0, 8)}…`
+  }, [value, selected, placeholder])
+
+  // Поиск: substring по preferredUsername / name / email / sub. cmdk
+  // делает client-side фильтрацию по value атрибуту CommandItem'а;
+  // концатенируем все поля в один searchable string.
+  const searchableValue = (u: UserListItem): string =>
+    [u.preferredUsername, u.name, u.email, u.sub].filter(Boolean).join(' ')
+
+  const clear = (e: React.MouseEvent) => {
+    e.stopPropagation()
+    onChange(undefined)
+  }
+
+  return (
+    <div className="flex flex-col gap-1">
+      {label && <FieldLabel>{label}</FieldLabel>}
+      <Popover open={open} onOpenChange={setOpen}>
+        <PopoverTrigger asChild>
+          <button
+            type="button"
+            disabled={disabled}
+            className={cn(
+              'flex items-center justify-between gap-2 h-9 w-full rounded-md border border-line bg-surface px-3 text-body text-ink',
+              'hover:border-line-2 focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring',
+              'disabled:cursor-not-allowed disabled:opacity-50',
+            )}
+          >
+            <span className="flex items-center gap-2 flex-1 min-w-0">
+              <UserIcon size={14} weight="regular" className="shrink-0 text-mute" />
+              <span className={cn('truncate text-left', !value && 'text-mute')}>
+                {triggerLabel}
+              </span>
+            </span>
+            <span className="flex items-center gap-1 shrink-0">
+              {value && (
+                <button
+                  type="button"
+                  aria-label="Сбросить пользователя"
+                  onClick={clear}
+                  className="p-0.5 rounded hover:bg-line/40 text-mute hover:text-ink"
+                >
+                  <XIcon size={12} weight="bold" />
+                </button>
+              )}
+              <CaretDownIcon size={12} weight="regular" className="text-mute" />
+            </span>
+          </button>
+        </PopoverTrigger>
+        <PopoverContent
+          align="start"
+          className="p-0 w-[min(95vw,360px)]"
+        >
+          <Command className="bg-surface rounded-md">
+            <div className="flex items-center gap-2 px-2 border-b border-line">
+              <MagnifyingGlassIcon size={14} weight="regular" className="text-mute shrink-0" />
+              <CommandInput
+                placeholder="Поиск по имени, email или UUID…"
+                className="h-9 w-full bg-transparent outline-none text-body text-ink placeholder:text-mute"
+              />
+            </div>
+            <CommandList className="max-h-72 overflow-y-auto py-1">
+              <CommandEmpty className="px-3 py-2 text-cell text-mute">
+                {usersQ.isLoading ? 'Загрузка…' : 'Пользователи не найдены'}
+              </CommandEmpty>
+              <CommandGroup>
+                {(usersQ.data ?? []).map((u) => {
+                  const sec = secondaryFor(u)
+                  return (
+                    <CommandItem
+                      key={u.sub}
+                      value={searchableValue(u)}
+                      onSelect={() => {
+                        onChange(u.sub)
+                        setOpen(false)
+                      }}
+                      className={cn(
+                        'flex items-center gap-2 px-2.5 py-1.5 rounded cursor-pointer text-body',
+                        value === u.sub
+                          ? 'bg-accent-bg text-accent'
+                          : 'text-ink hover:bg-surface-2 aria-selected:bg-surface-2',
+                      )}
+                    >
+                      <UserIcon size={14} weight="regular" className="shrink-0 text-mute" />
+                      <span className="flex-1 min-w-0">
+                        <span className="block truncate">{labelFor(u)}</span>
+                        {sec && (
+                          <span className="block truncate text-cap text-mute">{sec}</span>
+                        )}
+                      </span>
+                    </CommandItem>
+                  )
+                })}
+              </CommandGroup>
+            </CommandList>
+          </Command>
+        </PopoverContent>
+      </Popover>
+    </div>
+  )
+}
diff --git a/ordinis-admin-ui/src/routes/audit.tsx b/ordinis-admin-ui/src/routes/audit.tsx
index 8a4857b..c406a28 100644
--- a/ordinis-admin-ui/src/routes/audit.tsx
+++ b/ordinis-admin-ui/src/routes/audit.tsx
@@ -31,6 +31,7 @@ import { UserCell } from '@/lib/useUserDisplay'
 import type { AuditAction, AuditEntry, AuditFilters } from '@/api/client'
 import { localTzOffset, parseFormDate } from '@/lib/dates'
 import { PeriodFilter } from '@/components/audit/PeriodFilter'
+import { UserPicker } from '@/components/audit/UserPicker'
 
 // Все 12 audit action types — должны matchить backend (AuditLogger,
 // SchemaDraftService.applyDecision, DraftService.emitDraftEvent).
@@ -390,11 +391,14 @@ function FilterPanel({
           value={filters.action ?? ''}
           onChange={(id) => set('action', (id as AuditAction) || '')}
         />
-        <TextInput
+        {/* UserPicker — cmdk-typeahead из user-cache (/admin/users). Раньше
+            был TextInput где юзер вручную копипастил UUID; теперь поиск по
+            preferredUsername/email/UUID. INTERNAL+ scope, non-INTERNAL получает
+            пустой список (fallback в UserPicker: показывает UUID-prefix). */}
+        <UserPicker
           label={t('audit.filter.user')}
-          value={filters.userId ?? ''}
-          onChange={(e) => set('userId', e.target.value || undefined)}
-          onKeyDown={handleEnter}
+          value={filters.userId}
+          onChange={(sub) => set('userId', sub)}
         />
         <TextInput
           label={t('audit.filter.businessKey')}
diff --git a/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/UserDisplayService.java b/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/UserDisplayService.java
index 8108ad1..38ba10d 100644
--- a/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/UserDisplayService.java
+++ b/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/service/UserDisplayService.java
@@ -10,6 +10,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
 import java.time.OffsetDateTime;
+import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -125,6 +126,24 @@ public class UserDisplayService {
     return hotCache.size();
   }
 
+  /**
+   * Список всех закэшированных юзеров — для admin-UI пикеров (audit
+   * filter «Пользователь», review reviewer selector и т.п.). Сортируется
+   * по preferred_username для предсказуемой выдачи; hard-capped лимит
+   * чтобы не вытащить всю таблицу когда cache разрастётся до 10k+
+   * (в этот момент перейдём на server-side search; пока 1000 хватит).
+   */
+  public List<UserDisplayInfo> listAll(int limit) {
+    int cap = Math.min(Math.max(limit, 1), 1000);
+    return repository.findAll().stream()
+        .map(UserDisplayService::toInfo)
+        .sorted(java.util.Comparator.comparing(
+            (UserDisplayInfo i) -> i.preferredUsername() == null ? "" : i.preferredUsername(),
+            String.CASE_INSENSITIVE_ORDER))
+        .limit(cap)
+        .toList();
+  }
+
   // --- internals ---
 
   private UserDisplayInfo upsert(String sub, String preferredUsername, String name,
diff --git a/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/web/UserDisplayController.java b/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/web/UserDisplayController.java
index 1252ffc..17ed108 100644
--- a/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/web/UserDisplayController.java
+++ b/ordinis-rest-api/src/main/java/cloud/nstart/terravault/ordinis/restapi/web/UserDisplayController.java
@@ -7,9 +7,11 @@ import cloud.nstart.terravault.ordinis.restapi.service.UserDisplayService;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
 
 import java.time.OffsetDateTime;
+import java.util.List;
 
 /**
  * Resolve UUID (JWT sub) → human-readable display info. Frontend UserCell
@@ -57,6 +59,20 @@ public class UserDisplayController {
                 "authenticated request на этом backend'е чтобы попасть в кэш."));
   }
 
+  /**
+   * Список всех закэшированных юзеров — для admin-UI пикеров (audit
+   * filter «Пользователь», reviewer selectors и т.п.). INTERNAL+ scope,
+   * hard-cap limit 1000.
+   */
+  @GetMapping("")
+  public List<UserDisplayResponse> list(
+      @RequestParam(defaultValue = "500") int limit) {
+    requireInternal();
+    return service.listAll(limit).stream()
+        .map(UserDisplayResponse::from)
+        .toList();
+  }
+
   public record UserDisplayResponse(
       String sub,
       String preferredUsername,