Three Japanese destroyers have been named Ōnami:
- Japanese destroyer Ōnami (1942), a Yūgumo-class destroyer of the Imperial Japanese Navy during World War II
- JDS Ōnami (DD-111), an Ayanami-class destroyer of the Japanese Maritime Self-Defense Force (JMSDF)
- JS Ōnami (DD-111), a Takanami-class destroyer of the JMSDF
This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.