Hiromi Ominami (大南 博美, Ōminami Hiromi, born 15 November 1975) is a Japanese long-distance runner. She was born in Wakasa, Fukui. Her twin sister is Takami Ominami, also a world class marathon runner with a personal best of 2:23:43.

Achievements

• All results regarding marathon, unless stated otherwise

Year	Competition	Venue	Position	Notes
Representing  Japan
2003	Rotterdam Marathon	Rotterdam, Netherlands	2nd	2:26:17
2004	Osaka Ladies Marathon	Osaka, Japan	3rd	2:27:40
	Berlin Marathon	Berlin, Germany	2nd	2:23:26
2006	Miami Marathon	Miami, United States	1st	2:34:11
2007	Rotterdam Marathon	Rotterdam, Netherlands	1st	2:26:36

Personal bests

• 3000 metres - 9:09.72 min (2000)
• 5000 metres - 15:20.75 min (2004)
• 10,000 metres - 31:35.18 min (2005)
• Half marathon - 1:08:45 hrs (2004)
• Marathon - 2:23:26 hrs (2004)