Timothy Neilly (born 24 August 1987) is a retired Bahamian-American tennis player.

Neilly has a career-high ATP singles ranking of World No.

He also has a career-high ATP doubles ranking of World No.

In 2004, he won the prestigious Orange Bowl singles under-18 title,[2] defeating American Donald Young 6–4, 7–5 in the final.

Beginning in 2008, Neilly represented his native country the Bahamas, competing in the Davis Cup.