Three ships of the Royal Australian Navy (RAN) have been named HMAS Stalwart.
- an launched in 1918, decommissioned in 1925, and scrapped in 1937
- , a destroyer tender launched in 1966, decommissioned in 1990, and sold into civilian service
- , is a replenishment oiler, the second of the based on the Spanish Cantabria class. The keel was laid in 2018.
See also
- , a frigate of the Republic of Singapore Navy.
- , two ships of the United States Navy.
- , a surveillance ship of the United States Military Sealift Command.