HMS Zinnia may refer to the following ships of the Royal Navy:
- , an sloop active during World War I; launched in August 1915; sold in 1920
- , a active during World War II; launched in November 1940; sunk August 1941 by
WikiHQ46 words updated Jun 19, 2026, 4:34 PM
HMS Zinnia may refer to the following ships of the Royal Navy: