Una Lorraine Morris (born 17 January 1947) is a retired Jamaican sprinter, physician, restaurateur, and food caterer.

She represented Jamaica at the 1964, 1968 and 1972 Summer Olympics in eight sprint events in total, with the best achievement of fourth place in the 200 metres in 1964.

She won a bronze medal in the 4×100 metres relay at the 1967 Pan American Games.

[citation needed] Currently, she is a radiologist, and was the owner of the Kingston Cafe restaurant in Pasadena, California, which was featured on an episode of the American television reality show Kitchen Nightmares with Gordon Ramsay in 2011.

In August 2018, the restaurant closed and was converted into a catering business.