Don or Donald Reynolds may refer to:

• Don Reynolds (baseball) (born 1953), American baseball player
• Don Reynolds (actor) (1937–2019), American child actor and animal trainer
• Don Reynolds (producer), producer of the film The Quiet Earth
• Donald W. Reynolds (1906–1993), American businessman and philanthropist
• Donn Reynolds (1921–1997), Canadian country music singer and songwriter
• Don Reynolds, Dino Spumoni's partner on Hey Arnold!