diff --git a/src/app/(landing)/layout.tsx b/src/app/(landing)/layout.tsx
index e9466159c..c55b2fd79 100644
--- a/src/app/(landing)/layout.tsx
+++ b/src/app/(landing)/layout.tsx
@@ -15,7 +15,7 @@ export const metadata: Metadata = {
   title: 'ZERO-ONE - 1:1 기상 스터디 플랫폼',
   description:
     '매일 아침을 함께 시작하는 1:1 기상 스터디 플랫폼. 현직 멘토와 함께 성장하세요.',
-  keywords: ['스터디', '기상', '멘토링', '1:1 스터디', '개발자', '면접 준비'],
+  keywords: ['스터디', '기상', '멘토링', '스터디 그룹', '개발자', '면접 준비'],
   icons: {
     icon: '/favicon.ico',
   },
diff --git a/src/app/(landing)/page.tsx b/src/app/(landing)/page.tsx
index 1531e1abc..00f344c46 100644
--- a/src/app/(landing)/page.tsx
+++ b/src/app/(landing)/page.tsx
@@ -12,7 +12,7 @@ export const metadata: Metadata = generateSEOMetadata({
     '바이브코더',
     '개발자 커뮤니티',
     '멘토링',
-    '1:1 스터디',
+    '스터디 그룹',
     '그룹 스터디',
     '유료 스터디',
     '인사이트',
diff --git a/src/app/(service)/(my)/my-study-review/one-to-one/page.tsx b/src/app/(service)/(my)/my-study-review/one-to-one/page.tsx
index a4602b822..be216114f 100644
--- a/src/app/(service)/(my)/my-study-review/one-to-one/page.tsx
+++ b/src/app/(service)/(my)/my-study-review/one-to-one/page.tsx
@@ -72,7 +72,7 @@ export default function OneToOneReviewPage() {
       <CompletedStudyReviewPage
         basePath="/my-study-review/one-to-one"
         studyType="ONE_ON_ONE_STUDY"
-        studyTypeName="1:1스터디"
+        studyTypeName="스터디 그룹"
         hideTabNav
         hideEmptyMessage
       />
diff --git a/src/components/common/layout/header-nav.tsx b/src/components/common/layout/header-nav.tsx
index f38eb3c0c..7b661a9fb 100644
--- a/src/components/common/layout/header-nav.tsx
+++ b/src/components/common/layout/header-nav.tsx
@@ -9,7 +9,7 @@ interface HeaderNavProps {
 }
 
 const NAV_ITEMS = [
-  { href: '/home', loginRequired: false, label: '1:1 스터디' },
+  { href: '/home', loginRequired: false, label: '스터디 그룹' },
   { href: '/mentoring', loginRequired: false, label: '1:1 멘토링' },
   { href: '/group-study', loginRequired: false, label: '그룹스터디' },
   { href: '/premium-study', loginRequired: false, label: '멘토스터디' },
diff --git a/src/components/common/layout/mobile-menu-drawer.tsx b/src/components/common/layout/mobile-menu-drawer.tsx
index e80a1ff8e..a16ab7288 100644
--- a/src/components/common/layout/mobile-menu-drawer.tsx
+++ b/src/components/common/layout/mobile-menu-drawer.tsx
@@ -18,7 +18,7 @@ const LoginModal = dynamic(
 );
 
 const NAV_ITEMS = [
-  { href: '/home', label: '1:1 스터디' },
+  { href: '/home', label: '스터디 그룹' },
   { href: '/mentoring', label: '1:1 멘토링' },
   { href: '/group-study', label: '그룹스터디' },
   { href: '/premium-study', label: '멘토스터디' },
@@ -170,7 +170,7 @@ export default function MobileMenuDrawer({
                 })}
               </nav>
 
-              {/* 1:1 스터디 매칭 토글 */}
+              {/* 스터디 그룹 매칭 토글 */}
               {isLoggedIn && (
                 <div className="border-t border-border-subtle px-400 py-200">
                   <StudyMatchingToggle showLabel />
diff --git a/src/components/common/modals/phone-verification-modal.tsx b/src/components/common/modals/phone-verification-modal.tsx
index 4032bf3f7..977a3c325 100644
--- a/src/components/common/modals/phone-verification-modal.tsx
+++ b/src/components/common/modals/phone-verification-modal.tsx
@@ -311,7 +311,7 @@ export default function PhoneVerificationModal({
                     margin: 0,
                   }}
                 >
-                  1:1 스터디를 진행하려면 본인인증이 필요해요.
+                  스터디 그룹을 진행하려면 본인인증이 필요해요.
                 </p>
               </div>
               <button
diff --git a/src/components/group-study/review/study-review-tab-nav.tsx b/src/components/group-study/review/study-review-tab-nav.tsx
index 236a92706..32cf77c06 100644
--- a/src/components/group-study/review/study-review-tab-nav.tsx
+++ b/src/components/group-study/review/study-review-tab-nav.tsx
@@ -24,7 +24,7 @@ export default function StudyReviewTabNav() {
           isActive('/my-study-review/one-to-one') && pathClassName,
         )}
       >
-        1:1 스터디
+        스터디 그룹
       </button>
       <button
         type="button"
diff --git a/src/components/home/study-matching-toggle.tsx b/src/components/home/study-matching-toggle.tsx
index fbfe0ad3b..1b20181ef 100644
--- a/src/components/home/study-matching-toggle.tsx
+++ b/src/components/home/study-matching-toggle.tsx
@@ -138,7 +138,7 @@ export default function StudyMatchingToggle({
             !showLabel && 'hidden lg:inline',
           )}
         >
-          1:1 스터디 매칭
+          스터디 그룹 매칭
         </span>
         <ToggleSwitch.Root
           size="md"
diff --git a/src/components/home/tab-navigation.tsx b/src/components/home/tab-navigation.tsx
index f069df125..377d9671d 100644
--- a/src/components/home/tab-navigation.tsx
+++ b/src/components/home/tab-navigation.tsx
@@ -41,7 +41,7 @@ const TABS = [
     id: 'history',
     label: '나의 스터디 기록',
     icon: History,
-    description: '1:1 스터디 히스토리',
+    description: '스터디 그룹 히스토리',
   },
   {
     id: 'community',
diff --git a/src/components/one-to-one/hall-of-fame/hall-of-fame-header.tsx b/src/components/one-to-one/hall-of-fame/hall-of-fame-header.tsx
index ce543c8b6..6a5cdc3c6 100644
--- a/src/components/one-to-one/hall-of-fame/hall-of-fame-header.tsx
+++ b/src/components/one-to-one/hall-of-fame/hall-of-fame-header.tsx
@@ -15,7 +15,7 @@ export default function HallOfFameHeader() {
         <div className="flex flex-col gap-50">
           <p>제로원을 빛낸 열정적인 멤버들과 최고의 유저들을 소개합니다.</p>
           <p>
-            꾸준한 1:1 스터디를 통해 제로원 명예의 전당에 이름을 올려보세요!
+            꾸준한 스터디 그룹을 통해 제로원 명예의 전당에 이름을 올려보세요!
           </p>
         </div>
       }
diff --git a/src/components/one-to-one/history/study-history-header.tsx b/src/components/one-to-one/history/study-history-header.tsx
index 26a6fc249..132255f23 100644
--- a/src/components/one-to-one/history/study-history-header.tsx
+++ b/src/components/one-to-one/history/study-history-header.tsx
@@ -22,7 +22,7 @@ export default function StudyHistoryHeader({
 }: StudyHistoryHeaderProps) {
   return (
     <SectionHeader
-      title="나의 1:1 스터디 기록"
+      title="나의 스터디 그룹 기록"
       icon={<History className="text-text-brand h-8 w-8" />}
       description={
         <>
@@ -48,7 +48,7 @@ export default function StudyHistoryHeader({
               <span className="text-text-strong font-bold">
                 {totalElements}
               </span>
-              개의 1:1 스터디 기록이 있습니다. 역할 수행 여부 판단 기준은
+              개의 스터디 그룹 기록이 있습니다. 역할 수행 여부 판단 기준은
               지원자: 학습자료 제출, 면접자: 면접 후기 작성이며, 둘 다 진행되면
               진행 상태가 완료됩니다.
             </>
diff --git a/src/components/one-to-one/history/study-history-list-section.tsx b/src/components/one-to-one/history/study-history-list-section.tsx
index 5f9a09334..e20017ca9 100644
--- a/src/components/one-to-one/history/study-history-list-section.tsx
+++ b/src/components/one-to-one/history/study-history-list-section.tsx
@@ -32,7 +32,7 @@ export default function StudyHistoryListSection({
             <div className="text-text-subtlest flex flex-col items-center gap-200 py-800 text-center">
               <History className="h-10 w-10 opacity-20" />
               <p className="font-designer-16m">
-                아직 1:1 스터디 기록이 없습니다.
+                아직 스터디 그룹 기록이 없습니다.
               </p>
             </div>
           )}
diff --git a/src/components/one-to-one/history/study-history-summary.tsx b/src/components/one-to-one/history/study-history-summary.tsx
index a7ffe0de7..2c60a6763 100644
--- a/src/components/one-to-one/history/study-history-summary.tsx
+++ b/src/components/one-to-one/history/study-history-summary.tsx
@@ -12,7 +12,7 @@ export default function StudyHistorySummary({
   return (
     <div className="font-designer-16m text-text-subtle whitespace-nowrap">
       총 <span className="text-text-strong font-bold">{totalElements}</span>개의
-      1:1 스터디 기록이 있습니다.
+      스터디 그룹 기록이 있습니다.
     </div>
   );
 }
diff --git a/src/components/one-to-one/history/study-history-tab-client.tsx b/src/components/one-to-one/history/study-history-tab-client.tsx
index 6d57ee1bc..b5cea4362 100644
--- a/src/components/one-to-one/history/study-history-tab-client.tsx
+++ b/src/components/one-to-one/history/study-history-tab-client.tsx
@@ -78,7 +78,7 @@ export default function StudyHistoryTabClient({
       <div className="text-text-subtlest flex flex-col items-center gap-200 py-800 text-center">
         <Loader2 className="h-8 w-8 animate-spin" />
         <div className="font-designer-16m">
-          1:1 스터디 기록을 불러오는 중입니다...
+          스터디 그룹 기록을 불러오는 중입니다...
         </div>
       </div>
     );
diff --git a/src/components/pages/landing/landing-content.tsx b/src/components/pages/landing/landing-content.tsx
index acf2aa7ce..5b0d3492b 100644
--- a/src/components/pages/landing/landing-content.tsx
+++ b/src/components/pages/landing/landing-content.tsx
@@ -142,7 +142,7 @@ const STATS = [
 
 const FEATURES = [
   {
-    title: '1:1 스터디 · 멘토링',
+    title: '스터디 그룹 · 멘토링',
     description: '막힌 지점을 실전 맥락으로 빠르게 해결하는 고밀도 세션',
     color: '#f63d68',
   },
diff --git a/src/features/admin/matching/ui/admin-matching-page-client.tsx b/src/features/admin/matching/ui/admin-matching-page-client.tsx
index 769b3500d..8e4138e8c 100644
--- a/src/features/admin/matching/ui/admin-matching-page-client.tsx
+++ b/src/features/admin/matching/ui/admin-matching-page-client.tsx
@@ -108,7 +108,7 @@ export default function AdminMatchingPageClient() {
               </div>
 
               <SectionHeader
-                title="1:1 스터디 매칭 관리"
+                title="스터디 그룹 매칭 관리"
                 description="운영자는 스케줄러 설정과 현재 주차 운영 상태를 함께 확인하고, 목록 탐색·자동 매칭 실행·수동 매칭 생성·선택 요청 수정까지 한 화면에서 처리할 수 있습니다."
                 className="gap-100"
                 titleClassName="font-designer-28b text-text-strong"
diff --git a/src/utils/seo.ts b/src/utils/seo.ts
index d7182a426..42e4661f5 100644
--- a/src/utils/seo.ts
+++ b/src/utils/seo.ts
@@ -26,7 +26,7 @@ export const DEFAULT_KEYWORDS = [
   '스터디',
   '기상',
   '멘토링',
-  '1:1 스터디',
+  '스터디 그룹',
   '개발자',
   '면접 준비',
   '개발자 커뮤니티',