Denny Kirkwood, American actor; twin brother Bryan Kirkwood
Denny Hamlin, NASCAR driver
Denny Hulme, New Zealand racing driver
Denny Laine, English musician of the MoodyBlues and Wings
Denny Seiwell, American drummer for Wings
Denny McLain, American baseball pitcher
Denny Morrison, Canadian Olympic speed skater
Denny Neagle, American baseball pitcher
Denny Miller (birth name Dennis), American actor
Denny's, American diner chain
Denny Crane, character in TV series "Boston Legal"
Denny Larson, character in TV series "The Killing"
Denny LaChance, character in movie "Stand By Me"
Denny Colt, character in the movie "The Spirit"