Red Hat (disambiguation)

Red Hat is a software corporation.

Red hat or Red Hat may also refer to:

• Red Hat (U.S. military operation), a relocation of U.S. chemical weapons in the Pacific during the Cold War; Operation Red Hat; "Red Hats", the participants of; Red Hat Area, Johnston Atoll;
• Red Hat sect, a sect of Tibetan Buddhism
• Galero, a red hat traditionally worn by cardinals of the Catholic Church
• Trainee in a volunteer fire department
• Red Hat Cell Block, a prison cell block at the Louisiana State Penitentiary
• Red Hat Linux, a computer operating system
  • Fedora (operating system), a Linux distribution sometimes referred to as "Red Hat".
• Red Hat Enterprise Linux, a computer operating system
• Red Hat Society, a social organization traditionally for women over 50
• a metaphorical hat representing emotional thinking, in Edward de Bono's book Six Thinking Hats