Todd Nelson (born March 18, 1961, in The Dalles, Oregon), is a former professional tennis player from the United States and played collegiate tennis at Arizona State University.

Nelson enjoyed most of his tennis success while playing doubles. During his career he finished runner-up in four doubles events and one singles event. He achieved a career-high doubles ranking of world No. 48 in 1987.

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0–1	Feb 1988	Lyon, France	Grand Prix	Carpet	Yahiya Doumbia	4–6, 6–3, 3–6

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Jul 1989	Boston, United States	Grand Prix	Clay	Phillip Williamson	Andrés Gómez Alberto Mancini	6–7, 2–6
Loss	0–2	Oct 1989	Toulouse, France	Grand Prix	Carpet	Roger Smith	Mansour Bahrami Éric Winogradsky	2–6, 6–7
Loss	0–3	Jul 1990	Newport, United States	World Series	Grass	Bryan Shelton	Darren Cahill Mark Kratzmann	6–7, 2–6
Loss	0–4	Oct 1991	Guarujá, Brazil	World Series	Hard	Bret Garnett	Jacco Eltingh Paul Haarhuis	3–6, 5–7

Result	W–L	Date	Tournament	Tier	Surface	Opponent	Score
Loss	0-1	Sep 1992	Singapore, Singapore	Challenger	Hard	Lionel Roux	2–6, 0–6

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Mar 1990	Martinique, Martinique	Challenger	Hard	Roger Smith	Olivier Delaître Guillaume Raoux	3–6, 5–7
Loss	0–2	May 1992	Itu, Brazil	Challenger	Hard	Bertrand Madsen	Grant Stafford Kevin Ullyett	1–6, 3–6
Win	1–2	Aug 1992	New Haven, United States	Challenger	Hard	Leander Paes	Jeremy Bates Byron Black	7–5, 2–6, 7–6
Win	2–2	Dec 1992	Naples, United States	Challenger	Clay	Tobias Svantesson	Mark Knowles Alex O'Brien	2–6, 6–3, 6–4
Win	3–2	Feb 1993	Rancho Mirage, United States	Challenger	Hard	Tobias Svantesson	T. J. Middleton Kenny Thorne	7–6, 6–3
Loss	3–3	Oct 1993	Dublin, Ireland	Challenger	Carpet	Bent-Ove Pedersen	Mårten Renström Mikael Tillström	2–6, 6–3, 3–6

• Todd Nelson at the Association of Tennis Professionals
• Todd Nelson at the International Tennis Federation