Tosa

Tosa may refer to:

Places

 * Tosa, Kōchi a city in Kōchi Prefecture, Japan
 * Tosa, Kōchi (town), a town in Kōchi Prefecture, Japan
 * Tosa District, Kōchi
 * Tosa province and Tosa Domain, now known as Kōchi Prefecture
 * Wauwatosa, known to locals as Tosa, a city in Wisconsin

People with the surname

 * Kōji Tosa (土佐 浩司), Japanese shogi player
 * Tosa Mitsunobu
 * Tosa Mitsuoki
 * Reiko Tosa, marathon runner
 * Tadao Tosa (土佐 忠雄), Japanese diver

Other uses

 * Tosa dialect
 * Tosa-mi, or tataki, a cooking technique
 * Tosa (dog), a Japanese dogfighting breed
 * Tosa-class battleship of Imperial Japan
 * Japanese battleship Tosa, the lead ship of the Tosa class
 * TOSA (bus), a concept electric bus
 * The Sharp Zaurus model SL-6000