Mu Beta Phi Military Fraternity, Inc. (ΜΒΦ) is an international military fraternity. It was established in Columbia, South Carolina in 2017 and has established 26 chapters in the United States and Asia.

Mu Beta Phi was founded as an African American military fraternity by three active duty and retired military men on March 22, 2017. The fraternity's founders were Gary V. Ammons (Navy), Darrin Coney (Air Force), and Clifton Powell (Army). The first class of members, known as the Hercules PHIrst Warriors, were Antonio Brown, Murad Dixon, Timothy Hall, Efferen Hernandez, Leander Holston Jr., Marquette Jones, Lugene Johnson, Shawn Ollison, Jeremiah Thompson, and Jason Williams.

Mu Beta Phi Military Fraternity, Inc. was incorporated on April 17, 2017. Its purpose is "strengthening the local and veteran communities, restoring faith in the veteran communities, and broadening the knowledge of our veterans we serve."

Mu Beta Phi is a member of the Professional Fraternity Association (PFA), in the category of military science. The fraternity received the Outstanding Community Service Award from the Professional Fraternity Association in 2021. Also in 2021, Ammons received PFA's Outstanding Community Leader award. By April 2022, it had chartered fourteen chapters.

As of August 2025, Mu Beta Phi has initiated 1,076 members and has chartered 26 chapters. Its headquarters is in Suffolk, Virginia.

The Mu Beta Phi motto is Unitas de concordis. Its principles or pillars are mission, brotherhood, and professionalism. The fraternity's colors are California blue, old gold, black, and white.^{[citation needed]} Its flower is the golden calla lily.^{[citation needed]} Its mascot is Hercules and its animal is the golden eagle.^{[citation needed]} Its nickname is "The Mighty Beta Kings".

Its publication is the Eagle's Nest Newsletter.

Mu Beta Phi's activities include personal growth, networking, and community service. The fraternity holds a national leadership conference.