Japanese destroyer Ōnami (1942)
 The Ōnami (大波) was a Yūgumo-class destroyer of the Imperial Japanese Navy. Her name means Billow Wave (Big Rough Waves).On the night of 24–25 November 1943 Ōnami led a troop transport/evacuation run to Buka Island. In the Battle of Cape St. George she was torpedoed by USS Charles Ausburne Claxton and/or Dyson 55 miles (100 km) east-southeast of Cape St. George (05°15′S 153°49′E). Ōnami blew up and sank with all hands including ComDesDiv 31 (Captain Kagawa Kiyoto).