Namesakes
Most Valuable Players:
1 winner
Denny McLain 1968 baseball 
Notable Athletes:
1 driving, 1 soccer
(driving) Denny Hulme 1936-1992
(soccer) Denny Landzaat 1976-
Olympic Medalists:
1 bronze, 1 gold, 1 gold/bronze/silver
(gold) Mike Larrabee (a.k.a. Denny) 1964 400 m; 4x400 m relay
(bronze) Denny Kantono 1996 badminton doubles
(gold/bronze/silver) Denny Morrison 2006; 2010; 2014 speed skating
Rock and Roll Hall-of-Famers:
2 musicians
Denny Doherty 1998 The Mamas & the Papas
Denny Laine 2018 The Moody Blues