Quadra

Quadra may refer to:


 * Quadra, São Paulo, a municipality in Brazil
 * Quadra Island, British Columbia, Canada
 * Vancouver Quadra, a federal electoral district in British Columbia, Canada
 * HMCS Quadra, a Royal Canadian Navy cadet training center in Comox, British Columbia
 * Macintosh Quadra, a line of computers made by Apple Computer
 * Quadra, Telecine introduced by Broadcast Television Systems Inc. in 1993
 * Quadra, a group of four psychological types in the theory of socionics
 * Quadra (album), by Brazilian heavy metal band Sepultura
 * Quadra Blu, a character from Max Rep comics by illustrator Lyman Dally
 * The fighting style of several characters in the anime manga and light novel Aria the Scarlet Ammo
 * Quadra, a genus of flies described in 1929