Semoy Kee-Ann Hackett (born 27 November 1988) is a Tobagonian track and field sprint athlete who competed collegiately at Louisiana State University.

She competed at the 100 metres sprint and placed fourth in her first round heat, which normally meant elimination.

[1] Together with Wanda Hutson, Ayanna Hutchinson and Kelly-Ann Baptiste she also took part in the 4x100 metres relay.

[2] In November 2012, Louisiana State University reported that Hackett had again tested positive for methylhexaneamine at the 2012 NCAA Division I Outdoor Track & Field Championships in June.

LSU was forced to vacate their national championship due to the failed drug test.