Donald or Don Davis may refer to:

• Donald Davis (writer) (1904–1992), American playwright and screenwriter
• Don Marion Davis (1917–2020), American child actor
• Donald Davis (actor) (1928–1998), Canadian actor and theatre director
• Don Davis (record producer) (1938–2014), for Motown and Stax
• Donald A. Davis (1939–2021), writer of military histories and military thrillers
• Don S. Davis (1942–2008), actor known for his roles in Stargate SG-1 and Twin Peaks
• Donald Davis (storyteller) (born 1944), American storyteller
• Don Davis (artist) (born 1952), astronomer known for his painting of space
• Don Davis (composer) (born 1957), known for his scores for films such as The Matrix trilogy
• Donald E. Davis, author and historian
• Don Davis, a pen-name of Brett Halliday

• Donald Watson Davis (1849–1906), politician from Northwest Territories, Canada
• Donald M. Davis (1915–1976), Pennsylvania politician
• Don Davis (Florida politician) (1931–2008), Republican from Jacksonville, Florida
• Don Davis (North Carolina politician) (born 1971), North Carolina politician

• Don Davis (racing driver) (1933–1962), American race car driver
• Donnie Davis (American football end) (1940–2004)
• Don Davis (defensive tackle) (1943–2018), American football player
• Don Davis (linebacker) (born 1972), American football player
• Donnie Davis (born 1972), American quarterback in college and arena football
• Don Davis (Gaelic footballer) (born 1969), Irish

• Donald C. Davis (1921–1998), admiral in the United States Navy
• Donald J. Davis (1929–2007), bishop of Erie
• Donald W. Davis (1921–2010), American businessman
• Don Davis (gun retailer) (1933–2016), gun store owner and former Brady bill supporter turned critic
• Donald R. Davis (entomologist) (1934–2024), American entomologist
• Donald R. Davis (astronomer), American astronomer
• Donald R. Davis (economist), American economist
• Donald M. Davis (mathematician), American mathematician

• Donald Davies (disambiguation)