diff --git a/packages/primevue/src/menubar/style/MenubarStyle.js b/packages/primevue/src/menubar/style/MenubarStyle.js
index 454bfd45b..a783a135f 100644
--- a/packages/primevue/src/menubar/style/MenubarStyle.js
+++ b/packages/primevue/src/menubar/style/MenubarStyle.js
@@ -77,6 +77,12 @@ const theme = ({ dt }) => `
     height: ${dt('menubar.submenu.icon.size')};
 }
 
+.p-menubar-submenu .p-menubar-submenu-icon:dir(rtl) {
+    margin-left: 0;
+    margin-right: auto;
+    transform: rotate(180deg);
+}
+
 .p-menubar-item.p-focus > .p-menubar-item-content {
     color: ${dt('menubar.item.focus.color')};
     background: ${dt('menubar.item.focus.background')};
@@ -132,24 +138,34 @@ const theme = ({ dt }) => `
 }
 
 .p-menubar-submenu .p-menubar-separator {
-    border-top: 1px solid ${dt('menubar.separator.border.color')};
+    border-block-start: 1px solid ${dt('menubar.separator.border.color')};
 }
 
 .p-menubar-submenu .p-menubar-item {
     position: relative;
 }
 
- .p-menubar-submenu > .p-menubar-item-active > .p-menubar-submenu {
+.p-menubar-submenu > .p-menubar-item-active > .p-menubar-submenu {
     display: block;
     left: 100%;
     top: 0;
 }
 
+.p-menubar-submenu > .p-menubar-item-active > .p-menubar-submenu:dir(rtl) {
+    left: auto;
+    right: 100%;
+}
+
 .p-menubar-end {
     margin-left: auto;
     align-self: center;
 }
 
+.p-menubar-end:dir(rtl) {
+    margin-left: 0;
+    margin-right: auto;
+}
+
 .p-menubar-button {
     display: none;
     justify-content: center;
@@ -201,6 +217,11 @@ const theme = ({ dt }) => `
     gap: ${dt('menubar.submenu.gap')};
 }
 
+.p-menubar-mobile .p-menubar-root-list:dir(rtl) {
+    left: auto;
+    right: 0;
+}
+
 .p-menubar-mobile .p-menubar-root-list > .p-menubar-item > .p-menubar-item-content > .p-menubar-item-link {
     padding: ${dt('menubar.item.padding')};
 }
@@ -215,7 +236,7 @@ const theme = ({ dt }) => `
 }
 
 .p-menubar-mobile .p-menubar-root-list .p-menubar-separator {
-    border-top: 1px solid ${dt('menubar.separator.border.color')};
+    border-block-start: 1px solid ${dt('menubar.separator.border.color')};
 }
 
 .p-menubar-mobile .p-menubar-root-list > .p-menubar-item > .p-menubar-item-content .p-menubar-submenu-icon {
@@ -223,6 +244,12 @@ const theme = ({ dt }) => `
     transition: transform 0.2s;
 }
 
+.p-menubar-mobile .p-menubar-root-list > .p-menubar-item > .p-menubar-item-content .p-menubar-submenu-icon:dir(rtl),
+.p-menubar-mobile .p-menubar-submenu-icon:dir(rtl) {
+    margin-left: 0;
+    margin-right: auto;
+}
+
 .p-menubar-mobile .p-menubar-root-list > .p-menubar-item-active > .p-menubar-item-content .p-menubar-submenu-icon {
     transform: rotate(-180deg);
 }
@@ -232,7 +259,7 @@ const theme = ({ dt }) => `
     transform: rotate(90deg);
 }
 
-.p-menubar-mobile  .p-menubar-item-active > .p-menubar-item-content .p-menubar-submenu-icon {
+.p-menubar-mobile .p-menubar-item-active > .p-menubar-item-content .p-menubar-submenu-icon {
     transform: rotate(-90deg);
 }
 
@@ -241,8 +268,8 @@ const theme = ({ dt }) => `
     position: static;
     box-shadow: none;
     border: 0 none;
-    padding-left: ${dt('menubar.submenu.mobile.indent')};
-    padding-right: 0;
+    padding-inline-start: ${dt('menubar.submenu.mobile.indent')};
+    padding-inline-end: 0;
 }
 `;