1976 Commercial Union Assurance Masters – Singles

Manuel Orantes defeated Wojciech Fibak in the final, 5–7, 6–2, 0–6, 7–6, 6–1 to win the singles title at the 1976 Commercial Union Assurance Masters.

Ilie Năstase was the defending champion, but did not participate this year.

Group A
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.''

Group B
''Standings are determined by: 1. number of wins; 2. number of matches; 3. in two-players-ties, head-to-head records; 4. in three-players-ties, percentage of sets won, or of games won; 5. steering-committee decision.''