Circa or CIRCA may refer to:CIRCA, in London Circa (band), a progressive rock supergroup Circa (company), an American skateboard footwear company Circa, an Australian contemporary circus company Circa District, Peru Circa, a disc-binding notebook system Circa Theatre, in New Zealand Clandestine Insurgent Rebel Clown Army, a UK activist group Circa News, an online news and entertainment service Circa Complex, twin skyscrapers in Los Angeles, California Circa , 1997 Circa , 1991 Circa Resort & Casino, a hotel in Las Vegas