OK, first, the easy ones:
TOS: Spock (weightlifting), Sulu (fencing), Uhura (rhythmic gymnastics).
TNG: Picard (equestrian, fencing, archery, sailing), Riker (judo, Parisse squares), Guinan (fencing, shooting), Tasha (tae kwon do or any hand to hand combat), Worf (boxing, judo, hand to hand, fencing), Data (weightlifting, anything hand to hand, marathon), Crusher (tennis).
DS9: Sisko (baseball), Bashir (tennis, squash), Jake (baseball).
VOY: Janeway (shooting), Chakotay (boxing), Tuvok (weightlifting), Kim (ice hockey, volleyball, parisse squares, table tennis), Paris (ice hockey & volleyball, table tennis), Seven (table tennis), Torres (table tennis).
Ent: Archer (water polo), Sato (matial arts).