John Lazar was an actor and theatre manager in Australia. He was Mayor of Adelaide from 1855 to 1858.

The Royal Victoria Theatre, often referred to as the Victoria Theatre or The Old Vic, was a theatre in Sydney, Australia, the first large theatre in the city. It opened in 1838; operas, plays, pantomimes and other events were held, and leading entertainers performed at the theatre. It was destroyed by fire in 1880.