Takeyuki Okamoto (岡本 武行, Okamoto Takeyuki, born December 8, 1967) is a former Japanese football player and manager.
Since 1997, Okamoto became top team goalkeeper coach and youth team manager for Omiya Ardija. In May 2012, top team manager; Jun Suzuki was sacked. Okamoto managed team as caretaker. After that, Zdenko Verdenik was appointed new manager. But In August 2013 manager; Zdenko Verdenik was sacked. So, Okamoto managed team as caretaker again. After that, Tsutomu Ogura was appointed new manager.