Yes, stainless steel can rust, although it is less likely to do so than other types of steel. Stainless steel contains chromium, which forms a protective oxide layer on the surface that helps prevent corrosion. However, if this protective layer is damaged or if the stainless steel is exposed to harsh environmental conditions, such as high humidity or substances containing chloride, it can still rust. Regular maintenance and proper care can help prevent rust formation in stainless steel.