Yan Sen (阎森; born August 16, 1975) is a Chinese table tennis player.
1996 ITTF Pro Tour Grand Finals - 1st doubles1997 Yugoslavian Open - 1st doubles1997 World Championships in Manchester - bronze singles1998 Asian Games - 1st team1998 Asian Championships - 1st team1999 World Championships - 2nd doubles (with Wang Liqin), 5th mixed doubles2000 Sydney Olympic Games - 1st doubles (with Wang Liqin)2000 World Men's Club Championships - 1st team2001 ITTF Pro Tour Grand Finals - 1st doubles (with Wang Liqin)2001 World Championships - 1st doubles (with Wang Liqin)2002 Qatar Open - 1st doubles2002 Asian Games - 1st team; 3rd doubles2003 World Championships - 1st doubles 