diff --git a/crates/ruff_linter/resources/test/fixtures/pylint/repeated_equality_comparison.py b/crates/ruff_linter/resources/test/fixtures/pylint/repeated_equality_comparison.py
index 6c3f694ba87cd..8eeec8bdafbbc 100644
--- a/crates/ruff_linter/resources/test/fixtures/pylint/repeated_equality_comparison.py
+++ b/crates/ruff_linter/resources/test/fixtures/pylint/repeated_equality_comparison.py
@@ -51,3 +51,7 @@
 foo[0] == "a" or foo[0] == "b"  # Subscripts.
 
 foo() == "a" or foo() == "b"  # Calls.
+
+import sys
+
+sys.platform == "win32" or sys.platform == "emscripten"  # sys attributes
diff --git a/crates/ruff_linter/src/rules/pylint/rules/repeated_equality_comparison.rs b/crates/ruff_linter/src/rules/pylint/rules/repeated_equality_comparison.rs
index b4c5a792256d0..25f36d63a1bd9 100644
--- a/crates/ruff_linter/src/rules/pylint/rules/repeated_equality_comparison.rs
+++ b/crates/ruff_linter/src/rules/pylint/rules/repeated_equality_comparison.rs
@@ -9,7 +9,9 @@ use ruff_diagnostics::{AlwaysFixableViolation, Diagnostic, Edit, Fix};
 use ruff_macros::{derive_message_formats, violation};
 use ruff_python_ast::comparable::ComparableExpr;
 use ruff_python_ast::hashable::HashableExpr;
+use ruff_python_ast::helpers::any_over_expr;
 use ruff_python_ast::{self as ast, BoolOp, CmpOp, Expr};
+use ruff_python_semantic::SemanticModel;
 use ruff_source_file::Locator;
 use ruff_text_size::{Ranged, TextRange, TextSize};
 
@@ -74,7 +76,7 @@ pub(crate) fn repeated_equality_comparison(checker: &mut Checker, bool_op: &ast:
     if bool_op
         .values
         .iter()
-        .any(|value| !is_allowed_value(bool_op.op, value))
+        .any(|value| !is_allowed_value(bool_op.op, value, checker.semantic()))
     {
         return;
     }
@@ -157,7 +159,7 @@ pub(crate) fn repeated_equality_comparison(checker: &mut Checker, bool_op: &ast:
 /// Return `true` if the given expression is compatible with a membership test.
 /// E.g., `==` operators can be joined with `or` and `!=` operators can be
 /// joined with `and`.
-fn is_allowed_value(bool_op: BoolOp, value: &Expr) -> bool {
+fn is_allowed_value(bool_op: BoolOp, value: &Expr, semantic: &SemanticModel) -> bool {
     let Expr::Compare(ast::ExprCompare {
         left,
         ops,
@@ -196,6 +198,16 @@ fn is_allowed_value(bool_op: BoolOp, value: &Expr) -> bool {
         return false;
     }
 
+    // Ignore `sys.version_info` and `sys.platform` comparisons, which are only
+    // respected by type checkers when enforced via equality.
+    if any_over_expr(value, &|expr| {
+        semantic.resolve_call_path(expr).is_some_and(|call_path| {
+            matches!(call_path.as_slice(), ["sys", "version_info" | "platform"])
+        })
+    }) {
+        return false;
+    }
+
     true
 }