Red Hat (disambiguation)

Red Hat is a software corporation.

Red hat or Red Hat may also refer to:

Computing and technology

• Red Hat Enterprise Linux, a computer operating system
• Red Hat Linux, a computer operating system
  • Fedora (operating system), a Linux distribution sometimes referred to as "Red Hat".

Groups and organizations

• Red Hat (U.S. military operation), the deployment, relocation, and storage of U.S. chemical weapons in the Pacific during the Cold War linked to Project 112; Operation Red Hat; "Red Hats", the participants of; Red Hat Area, Johnston Atoll;
• Red Hat sect(s), three different schools of Tibetan Buddhism
• Red Hat Society, a social organization traditionally for women over 50

Other uses

• Red Hat, a metaphorical hat representing emotional thinking, in Edward de Bono's book Six Thinking Hats
• Red hat, a trainee in a volunteer fire department
• Red Hat, a member of a fictitious SS-like force in Colony
• Galero, a red hat traditionally worn by cardinals of the Catholic Church
• Red Hat Cell Block, a prison cell block at the Louisiana State Penitentiary