Principal

• Flue pipe
• K-12 (album)
• List of pipe organ stops
• Principal (academia)
• Principal (architecture)
• Principal (bond)
• Principal (civil service)
• Principal (commercial law)
• Principal (computer security)
• Principal (criminal law)
• Principal (education)
• Principal (finance)
• Principal (music)
• Principal Financial Group
• Principal dancer
• Principal, Cape Verde
• Principal, Ecuador
• Principle (disambiguation)
• The Principal
• The Principal (TV series)
• Victoria Principal