Tadahiro Takayama (高山 忠洋, Takayama Tadahiro, born 12 February 1978) is a Japanese professional golfer.

He took up golf at eighteen, an unusually advanced age for a future professional, and turned pro three years later.

He made his mark by winning the 2001 PGA Rookie Pro Tournament and has since won five times on the Japan Golf Tour.

*Note: The 2005 Token Homemate Cup was shortened to 54 holes due to weather.

1Co-sanctioned by the Asian Tour Japan Golf Tour playoff record (2–1) CUT = missed the half-way cut "T" indicates a tie for a place "T" = Tied