Principal

Principal may refer to:

Title or rank

 * Principal (academia), the chief executive of a university
 * Principal (education), the head of a school


 * Principal (civil service) or principal officer, the senior management level in the UK Civil Service
 * Principal dancer, the top rank in ballet
 * Principal (music), the top rank in an orchestra

Law

 * Principal (commercial law), the person who authorizes an agent
 * Principal (architecture), licensed professional(s) with ownership of the firm
 * Principal (criminal law), the primary actor in a criminal offense
 * Principal (Catholic Church), an honorific used in the See of Lisbon

Places

 * Principal, Cape Verde, a village
 * Principal, Ecuador, a parish

Media

 * The Principal (TV series), a 2015 Australian drama series
 * The Principal, a 1987 action film
 * Principal (music), the lead musician in a section of an orchestra
 * Principal photography, the first phase of movie production
 * "The Principal", a song on the album K-12 by Melanie Martinez

Finance

 * Principal (finance) or principal sum, the original amount of a debt or investment on which interest is calculated
 * Principal (bond), the face value of a bond
 * Principal Financial Group, a life insurance company

Other uses

 * Principal (computer security), an entity that can be identified and verified
 * Principal or diapason, one of the flue pipes on a pipe organ
 * Principal or diapason, a corresponding organ stop on a pipe organ
 * Victoria Principal (born 1950), American actress