Charles Mackerras, American-Australian oboe player and conductor (died 2010)

Sir Alan Charles MacLaurin Mackerras (; was an American-born Australian conductor. He was an authority on the operas of Janáček and Mozart, and the comic operas of Gilbert and Sullivan. He was long associated with the English National Opera and Welsh National Opera and was the first Australian chief conductor of the Sydney Symphony Orchestra. He also specialized in Czech music as a whole, producing many recordings for the Czech label Supraphon.

The oboe is a type of double-reed woodwind instrument. Oboes are usually made of wood, but may also be made of synthetic materials, such as plastic, resin, or hybrid composites.