Ursus is Latin for bear. It may also refer to:

Animals Ursus (mammal), a genus of bears

People Ursus of Aosta, 6th-century evangelist Ursus of Auxerre, 6th-century bishop Ursus of Ravenna, 5th-century bishop Ursus of Solothurn, 3rd-century martyr Ursus, praefectus urbi of Constantinople in 415-416 Ursus, count of Tivoli probably in the 9th century and supposed ancestor of the aristocratic Orsini family Reimarus Ursus, an astronomer and imperial mathematician to Rudolf II Ursus, a pen-name of Ambrose Bierce

Fictional characters Ursus, the bodyguard of Ligia, a minor character in the novel Quo Vadis Ursus, a character in Victor Hugo's novel The Man Who Laughs General Ursus (Planet of the Apes), a character in Beneath the Planet of the Apes Ursus (film character), a character in a series of 1960s Italian adventure films

Arts Ursus (film), 1961 Italian film

Science and technology Ursus (journal), a scientific journal published by the International Association for Bear Research and Management Ursus Factory, Polish manufacturer of heavy vehicles Ursus A, a series of Polish lorries and buses from the 1920s The Ursus, or Samochód pancerny wz. 29, a model of Polish armored car

Others Ursus (beer), a Romanian beer Ursus (vodka), an Icelandic vodka Ursus, Warsaw, a borough of Warsaw, Poland

See also Ursa (disambiguation)