Harris is of white complexion, slim build, and is about 165 centimetres (five feet five inches) tall, and walks with a limp.
Reports from the Montego Bay police were that she was last seen in the second city at about 6:00 p.m.
This was in the vicinity of Pier One, where she was dressed in an orange blouse, white leggings and a pair of grey heels.
All efforts to contact her since then have proven futile.
Anyone knowing the whereabouts of Janina Harris is being asked to contact the Montego Bay Police Station at 684-9080-5, the police 119 emergency number, or the nearest police station.