Timothy "Tim" M. Seaman (born May 14, 1972) is an American race walker who competed at the 2000 and 2004 Olympics.

[1] Seaman made a habit of winning the 5000 metres racewalk at the USA Indoor Track and Field Championships.

His 13 USA Indoor titles rank highest in the sport's history.

[1] On April 20, 2004, he set the still standing American record in the 10-km walk at 39:22.7 in Storetveitmarsje, Norway.

[2] Seaman is currently the cross country, women's track and field and distance running coach for Cuyamaca College.