Leonard Davis may refer to:
Leonard Davis (American football) (born 1978), American football offensive lineman, 2000–2012 Leonard Davis (judge) (born 1948), American district court judge in Texas Leonard Davis (musician) (1905–1957), American jazz trumpeter Leonard Davis, American businessman; founder of Colonial Penn life insurance company Leonard Davis Institute of Health Economics, University of Pennsylvania Leonard Davis School of Gerontology, University of Southern California