Sylvester Emmanuel (born 4 April 1998) is a Nigerian tennis player.

Emmanuel has a career high ATP singles ranking of 1097 achieved on 12 December 2016.

[2] Emmanuel has represented Nigeria at Davis Cup, where he has a win-loss record of 13–7.

Emmanuel's match record against players who have been ranked in the top 100, with those who are active in boldface.

ATP Tour, Challenger and Future tournaments' main draw and qualifying matches are considered.