diff --git a/.changeset/wet-otters-pull.md b/.changeset/wet-otters-pull.md
new file mode 100644
index 00000000000..ca7b0df27b8
--- /dev/null
+++ b/.changeset/wet-otters-pull.md
@@ -0,0 +1,5 @@
+---
+"@primer/react": patch
+---
+
+Banner: Fix margin for inline actions
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-colorblind-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-colorblind-linux.png
index 07a1b9a0764..2a98f13bf72 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-colorblind-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-colorblind-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-high-contrast-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-high-contrast-linux.png
index 9e349c0ed8d..0052a5ca4e6 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-high-contrast-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-high-contrast-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-linux.png
index 07a1b9a0764..2a98f13bf72 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-tritanopia-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-tritanopia-linux.png
index 07a1b9a0764..2a98f13bf72 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-tritanopia-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-dark-tritanopia-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-light-high-contrast-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-light-high-contrast-linux.png
index 554d38cc4ac..de78a731cff 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-light-high-contrast-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndActions-light-high-contrast-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-colorblind-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-colorblind-linux.png
index c9d3bf663df..234d98f4b41 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-colorblind-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-colorblind-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-high-contrast-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-high-contrast-linux.png
index b37a7ec3f2b..043d7fa29b1 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-high-contrast-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-high-contrast-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-linux.png
index c9d3bf663df..234d98f4b41 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-tritanopia-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-tritanopia-linux.png
index c9d3bf663df..234d98f4b41 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-tritanopia-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-dark-tritanopia-linux.png differ
diff --git a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-light-high-contrast-linux.png b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-light-high-contrast-linux.png
index 2ed48cfcd1a..ba88fc8601d 100644
Binary files a/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-light-high-contrast-linux.png and b/.playwright/snapshots/components/Banner.test.ts-snapshots/Banner-DismissibleWithHiddenTitleAndSecondaryAction-light-high-contrast-linux.png differ
diff --git a/packages/react/src/Banner/Banner.module.css b/packages/react/src/Banner/Banner.module.css
index 5e20ad6cb73..2bef4bbe4ed 100644
--- a/packages/react/src/Banner/Banner.module.css
+++ b/packages/react/src/Banner/Banner.module.css
@@ -143,7 +143,7 @@
   }
 }
 
-.Banner[data-dismissible] .BannerActions {
+.Banner[data-dismissible]:not([data-title-hidden]) .BannerActions {
   margin-block-end: var(--base-size-6);
 }
 
diff --git a/packages/react/src/Banner/Banner.tsx b/packages/react/src/Banner/Banner.tsx
index 2a9bbfd459b..d1061e966ed 100644
--- a/packages/react/src/Banner/Banner.tsx
+++ b/packages/react/src/Banner/Banner.tsx
@@ -338,7 +338,7 @@ const StyledBanner = toggleStyledComponent(
       }
     }
 
-    &[data-dismissible] .BannerActions {
+    &[data-dismissible]:not([data-title-hidden]) .BannerActions {
       margin-block-end: var(--base-size-6, 0.375rem);
     }