Tatsuya Ozeki
Saitama Seibu Lions – No. 79
Outfielder / Coach
Born: (1976-07-24) July 24, 1976 (age 47) Sano, Tochigi, Japan
Batted: Left Threw: Left
NPB debut
October 14, 1996, for the Seibu Lions
Last NPB appearance
August 19, 2008, for the Yokohama BayStars
NPB statistics (through 2008)
Batting average	.276
Home runs	18
Hits	806
Teams
As player Seibu Lions (1995–2005) Yomiuri Giants (2006–2007) Yokohama BayStars (2008) As coach Yomiuri Giants (2011–2018) Saitama Seibu Lions (2020–)
Career highlights and awards
1998 Pacific League Rookie of the Year 1× Best Nine Award (2002) 1× Mitsui Golden Glove Award (2002)

Tatsuya Ozeki (小関 竜也, Ozeki Tatsuya, born July 24, 1976 in Sano, Tochigi, Japan) is a professional Japanese baseball player.

Mai Ozeki, his daughter, was one of the members of female idol group Country Girls.