1975 Tennis South Invitational

The 1975 Tennis South Invitational was a men's tennis tournament played on indoor carpet courts at the Mississippi Coliseum in Jackson, Mississippi in the United States that was part of the 1975 USLTA-IPA Indoor Circuit. It was the third edition of the tournament and was held from March 24 through March 30, 1975. Second-seeded Ken Rosewall won the singles title and earned $10,000 first-prize money after defeating unseeded Butch Buchholz in the final.

Singles
🇦🇺 Ken Rosewall defeated 🇺🇸 Butch Buchholz 7–5, 4–6, 7–6(7–3)
 * It was Rosewall's 1st singles title of the year and the 34th of his career in the Open Era.

Doubles
🇦🇺 Ken Rosewall / 🇦🇺 Fred Stolle defeated 🇺🇸 Billy Martin / 🇦🇺 John Newcombe 6–4, 2–6, 6–1