diff --git a/.changeset/lemon-spoons-warn.md b/.changeset/lemon-spoons-warn.md
new file mode 100644
index 00000000000..10be49f7368
--- /dev/null
+++ b/.changeset/lemon-spoons-warn.md
@@ -0,0 +1,7 @@
+---
+'@primer/react': patch
+---
+
+Show underline on Link when hovered or focused.
+
+<!-- Changed components: Link -->
diff --git a/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-dark-colorblind-focus-linux.png b/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-dark-colorblind-focus-linux.png
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diff --git a/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-colorblind-focus-linux.png b/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-colorblind-focus-linux.png
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diff --git a/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-focus-linux.png b/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-focus-linux.png
index a21e9d8ae9b..102f2d47a75 100644
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diff --git a/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-high-contrast-focus-linux.png b/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-high-contrast-focus-linux.png
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diff --git a/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-tritanopia-focus-linux.png b/.playwright/snapshots/components/Link.test.ts-snapshots/Link-Muted-light-tritanopia-focus-linux.png
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-dark-colorblind-focus-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-dark-colorblind-focus-linux.png
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-dark-hover-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-dark-hover-linux.png
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-dark-tritanopia-focus-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-dark-tritanopia-focus-linux.png
index 4c41c11d214..8b901a8a80c 100644
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-colorblind-focus-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-colorblind-focus-linux.png
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-high-contrast-focus-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-high-contrast-focus-linux.png
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-hover-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-hover-linux.png
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-tritanopia-focus-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-tritanopia-focus-linux.png
index 0b8fba47243..d853e05e845 100644
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diff --git a/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-tritanopia-hover-linux.png b/.playwright/snapshots/components/Timeline.test.ts-snapshots/Timeline-With-Inline-Links-light-tritanopia-hover-linux.png
index 208f79736a8..0aaf569530f 100644
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diff --git a/src/Link/Link.tsx b/src/Link/Link.tsx
index 735c1674466..c010e3c9f45 100644
--- a/src/Link/Link.tsx
+++ b/src/Link/Link.tsx
@@ -24,7 +24,11 @@ const StyledLink = styled.a<StyledLinkProps>`
   color: ${props => (props.muted ? get('colors.fg.muted')(props) : get('colors.accent.fg')(props))};
   text-decoration: ${props => (props.underline ? 'underline' : 'none')};
   &:hover {
-    text-decoration: ${props => (props.muted ? 'none' : 'underline')};
+    text-decoration: underline;
+    ${props => (props.hoverColor ? hoverColor : props.muted ? `color: ${get('colors.accent.fg')(props)}` : '')};
+  }
+  &:focus {
+    text-decoration: underline;
     ${props => (props.hoverColor ? hoverColor : props.muted ? `color: ${get('colors.accent.fg')(props)}` : '')};
   }
   &:is(button) {
diff --git a/src/Link/__tests__/__snapshots__/Link.test.tsx.snap b/src/Link/__tests__/__snapshots__/Link.test.tsx.snap
index eaad8694936..5f85290caf0 100644
--- a/src/Link/__tests__/__snapshots__/Link.test.tsx.snap
+++ b/src/Link/__tests__/__snapshots__/Link.test.tsx.snap
@@ -12,6 +12,11 @@ exports[`Link applies button styles when rendering a button element 1`] = `
   text-decoration: underline;
 }
 
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c0:is(button) {
   display: inline-block;
   padding: 0;
@@ -46,6 +51,11 @@ exports[`Link passes href down to link element 1`] = `
   text-decoration: underline;
 }
 
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c0:is(button) {
   display: inline-block;
   padding: 0;
@@ -81,6 +91,11 @@ exports[`Link renders consistently 1`] = `
   text-decoration: underline;
 }
 
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c0:is(button) {
   display: inline-block;
   padding: 0;
@@ -116,6 +131,12 @@ exports[`Link respects hoverColor prop 1`] = `
   color: #0969da;
 }
 
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+  color: #0969da;
+}
+
 .c0:is(button) {
   display: inline-block;
   padding: 0;
@@ -147,8 +168,14 @@ exports[`Link respects the  "sx" prop when "muted" prop is also passed 1`] = `
 }
 
 .c0:hover {
-  -webkit-text-decoration: none;
-  text-decoration: none;
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+  color: #0969da;
+}
+
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
   color: #0969da;
 }
 
@@ -183,8 +210,14 @@ exports[`Link respects the "muted" prop 1`] = `
 }
 
 .c0:hover {
-  -webkit-text-decoration: none;
-  text-decoration: none;
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+  color: #0969da;
+}
+
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
   color: #0969da;
 }
 
diff --git a/src/NavList/__snapshots__/NavList.test.tsx.snap b/src/NavList/__snapshots__/NavList.test.tsx.snap
index 51c4560234b..62576b7eba8 100644
--- a/src/NavList/__snapshots__/NavList.test.tsx.snap
+++ b/src/NavList/__snapshots__/NavList.test.tsx.snap
@@ -209,6 +209,11 @@ exports[`NavList renders a simple list 1`] = `
   text-decoration: underline;
 }
 
+.c3:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c3:is(button) {
   display: inline-block;
   padding: 0;
@@ -604,6 +609,11 @@ exports[`NavList renders with groups 1`] = `
   text-decoration: underline;
 }
 
+.c7:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c7:is(button) {
   display: inline-block;
   padding: 0;
@@ -1077,6 +1087,11 @@ exports[`NavList.Item with NavList.SubNav does not have active styles if SubNav
   text-decoration: underline;
 }
 
+.c11:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c11:is(button) {
   display: inline-block;
   padding: 0;
@@ -1545,6 +1560,11 @@ exports[`NavList.Item with NavList.SubNav has active styles if SubNav contains t
   text-decoration: underline;
 }
 
+.c11:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c11:is(button) {
   display: inline-block;
   padding: 0;
diff --git a/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap b/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap
index 7087305ccb7..414f3222d3c 100644
--- a/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap
+++ b/src/UnderlineNav2/__snapshots__/UnderlineNav.test.tsx.snap
@@ -119,6 +119,11 @@ exports[`UnderlineNav renders consistently 1`] = `
   text-decoration: underline;
 }
 
+.c4:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c4:is(button) {
   display: inline-block;
   padding: 0;
@@ -207,6 +212,11 @@ exports[`UnderlineNav renders consistently 1`] = `
   text-decoration: underline;
 }
 
+.c7:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c7:is(button) {
   display: inline-block;
   padding: 0;
diff --git a/src/__tests__/__snapshots__/SideNav.test.tsx.snap b/src/__tests__/__snapshots__/SideNav.test.tsx.snap
index d54bec24567..8d1adab3096 100644
--- a/src/__tests__/__snapshots__/SideNav.test.tsx.snap
+++ b/src/__tests__/__snapshots__/SideNav.test.tsx.snap
@@ -12,6 +12,11 @@ exports[`SideNav SideNav.Link renders consistently 1`] = `
   text-decoration: underline;
 }
 
+.c0:focus {
+  -webkit-text-decoration: underline;
+  text-decoration: underline;
+}
+
 .c0:is(button) {
   display: inline-block;
   padding: 0;