Maxim may refer to:

• Hiram Maxim, inventor and firearm designer
• Maxim machine gun
• Joey Maxim, boxer, world light heavyweight champion
• Maxim, a men's magazine
• A maxim, a wise saying similar to an aphorism
• Maxim IC , manufacturer of analog and mixed signal integrated circuits
• Maxim Institute, a conservative think tank in New Zealand
• Maxim Reality, a member of The Prodigy