diff --git a/.changeset/short-adults-join.md b/.changeset/short-adults-join.md
new file mode 100644
index 000000000000..65a56616b9ae
--- /dev/null
+++ b/.changeset/short-adults-join.md
@@ -0,0 +1,5 @@
+---
+"@biomejs/biome": patch
+---
+
+Fixed [#7826](https://github.com/biomejs/biome/issues/7826), where a class member named `async` will not cause the parse error.
diff --git a/crates/biome_js_parser/src/syntax/class.rs b/crates/biome_js_parser/src/syntax/class.rs
index 2c337db6db53..6e29c8e1f405 100644
--- a/crates/biome_js_parser/src/syntax/class.rs
+++ b/crates/biome_js_parser/src/syntax/class.rs
@@ -662,6 +662,7 @@ fn parse_class_member_impl(
         && !p.nth_at(1, T![?])
         && !p.nth_at(1, T![;])
         && !p.nth_at(1, T![=])
+        && !p.nth_at(1, T![:])
         && !is_at_method_class_member(p, 1)
         && !p.has_nth_preceding_line_break(1)
     {
diff --git a/crates/biome_js_parser/tests/js_test_suite/ok/ts_class_memeber_named_async_is_valid.ts b/crates/biome_js_parser/tests/js_test_suite/ok/ts_class_memeber_named_async_is_valid.ts
new file mode 100644
index 000000000000..42c4aaab63ee
--- /dev/null
+++ b/crates/biome_js_parser/tests/js_test_suite/ok/ts_class_memeber_named_async_is_valid.ts
@@ -0,0 +1,3 @@
+class Connection {
+    public async: boolean = false;
+}
\ No newline at end of file
diff --git a/crates/biome_js_parser/tests/js_test_suite/ok/ts_class_memeber_named_async_is_valid.ts.snap b/crates/biome_js_parser/tests/js_test_suite/ok/ts_class_memeber_named_async_is_valid.ts.snap
new file mode 100644
index 000000000000..f8db5867433e
--- /dev/null
+++ b/crates/biome_js_parser/tests/js_test_suite/ok/ts_class_memeber_named_async_is_valid.ts.snap
@@ -0,0 +1,102 @@
+---
+source: crates/biome_js_parser/tests/spec_test.rs
+expression: snapshot
+---
+## Input
+
+```ts
+class Connection {
+    public async: boolean = false;
+}
+```
+
+
+## AST
+
+```
+JsModule {
+    bom_token: missing (optional),
+    interpreter_token: missing (optional),
+    directives: JsDirectiveList [],
+    items: JsModuleItemList [
+        JsClassDeclaration {
+            decorators: JsDecoratorList [],
+            abstract_token: missing (optional),
+            class_token: CLASS_KW@0..6 "class" [] [Whitespace(" ")],
+            id: JsIdentifierBinding {
+                name_token: IDENT@6..17 "Connection" [] [Whitespace(" ")],
+            },
+            type_parameters: missing (optional),
+            extends_clause: missing (optional),
+            implements_clause: missing (optional),
+            l_curly_token: L_CURLY@17..18 "{" [] [],
+            members: JsClassMemberList [
+                JsPropertyClassMember {
+                    modifiers: JsPropertyModifierList [
+                        TsAccessibilityModifier {
+                            modifier_token: PUBLIC_KW@18..30 "public" [Newline("\n"), Whitespace("    ")] [Whitespace(" ")],
+                        },
+                    ],
+                    name: JsLiteralMemberName {
+                        value: IDENT@30..35 "async" [] [],
+                    },
+                    property_annotation: TsTypeAnnotation {
+                        colon_token: COLON@35..37 ":" [] [Whitespace(" ")],
+                        ty: TsBooleanType {
+                            boolean_token: BOOLEAN_KW@37..45 "boolean" [] [Whitespace(" ")],
+                        },
+                    },
+                    value: JsInitializerClause {
+                        eq_token: EQ@45..47 "=" [] [Whitespace(" ")],
+                        expression: JsBooleanLiteralExpression {
+                            value_token: FALSE_KW@47..52 "false" [] [],
+                        },
+                    },
+                    semicolon_token: SEMICOLON@52..53 ";" [] [],
+                },
+            ],
+            r_curly_token: R_CURLY@53..55 "}" [Newline("\n")] [],
+        },
+    ],
+    eof_token: EOF@55..55 "" [] [],
+}
+```
+
+## CST
+
+```
+0: JS_MODULE@0..55
+  0: (empty)
+  1: (empty)
+  2: JS_DIRECTIVE_LIST@0..0
+  3: JS_MODULE_ITEM_LIST@0..55
+    0: JS_CLASS_DECLARATION@0..55
+      0: JS_DECORATOR_LIST@0..0
+      1: (empty)
+      2: CLASS_KW@0..6 "class" [] [Whitespace(" ")]
+      3: JS_IDENTIFIER_BINDING@6..17
+        0: IDENT@6..17 "Connection" [] [Whitespace(" ")]
+      4: (empty)
+      5: (empty)
+      6: (empty)
+      7: L_CURLY@17..18 "{" [] []
+      8: JS_CLASS_MEMBER_LIST@18..53
+        0: JS_PROPERTY_CLASS_MEMBER@18..53
+          0: JS_PROPERTY_MODIFIER_LIST@18..30
+            0: TS_ACCESSIBILITY_MODIFIER@18..30
+              0: PUBLIC_KW@18..30 "public" [Newline("\n"), Whitespace("    ")] [Whitespace(" ")]
+          1: JS_LITERAL_MEMBER_NAME@30..35
+            0: IDENT@30..35 "async" [] []
+          2: TS_TYPE_ANNOTATION@35..45
+            0: COLON@35..37 ":" [] [Whitespace(" ")]
+            1: TS_BOOLEAN_TYPE@37..45
+              0: BOOLEAN_KW@37..45 "boolean" [] [Whitespace(" ")]
+          3: JS_INITIALIZER_CLAUSE@45..52
+            0: EQ@45..47 "=" [] [Whitespace(" ")]
+            1: JS_BOOLEAN_LITERAL_EXPRESSION@47..52
+              0: FALSE_KW@47..52 "false" [] []
+          4: SEMICOLON@52..53 ";" [] []
+      9: R_CURLY@53..55 "}" [Newline("\n")] []
+  4: EOF@55..55 "" [] []
+
+```