| Singles | |
|---|---|
| 1981 Paris Open | |
| Champion |  Mark Vines |
| Runner-up |  Pascal Portes |
| Final score | 6–2, 6–4, 6–3 |
| Draw | 32 |
| Seeds | 8 |
Brian Gottfried was the defending champion but lost in the quarterfinals to Stan Smith.
Mark Vines won in the final 6–2, 6–4, 6–3 against Pascal Portes.
A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.
Yannick Noah (semifinals) Brian Gottfried (quarterfinals)
Johan Kriek (second round) Harold Solomon (first round)
Adriano Panatta (first round) Stan Smith (semifinals) Pascal Portes (final)
Ilie Năstase (quarterfinals)| Final | ||||||||
| Mark Vines | 6 | 6 | 6 | |||||
| 7 | Pascal Portes | 2 | 4 | 3 | ||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Y Noah | 6 | 5 | 6 | |||||||||||||||||||||||
 M Cox | 2 | 7 | 2 | 1 | Y Noah | 6 | 6 | 6 | |||||||||||||||||||
| C Mayotte | 1 | 5 | E Deblicker | 7 | 4 | 2 | |||||||||||||||||||||
| E Deblicker | 6 | 7 | 1 | Y Noah | 2 | 7 | 7 | ||||||||||||||||||||
| J-L Haillet | 1 | 6 | 4 | 8 | I Năstase | 6 | 6 | 5 | |||||||||||||||||||
 C Zipf | 6 | 4 | 6 | C Zipf | 1 | 2 | |||||||||||||||||||||
 M Ostoja | 5 | 4 | 8 | I Năstase | 6 | 6 | |||||||||||||||||||||
| 8 | I Năstase | 7 | 6 | 1 | Y Noah | 4 | 6 | ||||||||||||||||||||
| 4 | H Solomon | 1 | 3 | M Vines | 6 | 7 | |||||||||||||||||||||
| M Vines | 6 | 6 | M Vines | 6 | 3 | 6 | |||||||||||||||||||||
| J-F Caujolle | 1 | 3 | P Bertolucci | 4 | 6 | 2 | |||||||||||||||||||||
| P Bertolucci | 6 | 6 | M Vines | 4 | 6 | 6 | |||||||||||||||||||||
| C Freyss | 6 | 4 | R Lewis | 6 | 3 | 2 | |||||||||||||||||||||
| S Meister | 7 | 6 | S Meister | 6 | 6 | 3 | |||||||||||||||||||||
| R Lewis | 6 | 6 | R Lewis | 4 | 7 | 6 | |||||||||||||||||||||
| 5 | A Panatta | 3 | 3 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | P Portes | 6 | 6 | ||||||||||||||||||||||||
| J Smith | 3 | 4 | 7 | P Portes | 6 | 6 | |||||||||||||||||||||
| P Proisy | 1 | 4 | L Courteau | 1 | 1 | ||||||||||||||||||||||
| L Courteau | 6 | 6 | 7 | P Portes | 6 | 6 | |||||||||||||||||||||
 J Vanlangendonck | 2 | 2 | J Potier | 1 | 0 | ||||||||||||||||||||||
| J Potier | 6 | 6 | J Potier | 7 | 6 | ||||||||||||||||||||||
 H Ismail | 6 | 2 | 3 | J Kriek | 6 | 3 | |||||||||||||||||||||
| 3 | J Kriek | 7 | 6 | 7 | P Portes | 3 | 7 | 6 | |||||||||||||||||||
| 6 | S Smith | 6 | 6 | 6 | S Smith | 6 | 5 | 3 | |||||||||||||||||||
| H Leconte | 3 | 4 | 6 | S Smith | 7 | 7 | |||||||||||||||||||||
| P Torre | 3 | 2 | J Feaver | 6 | 5 | ||||||||||||||||||||||
| J Feaver | 6 | 6 | 6 | S Smith | 7 | 2 | 15 | ||||||||||||||||||||
| D Siegler | 6 | 6 | 2 | B Gottfried | 6 | 6 | 13 | ||||||||||||||||||||
| B Fritz | 3 | 1 | D Siegler | 2 | 6 | 3 | |||||||||||||||||||||
| E Fromm | 6 | 3 | 2 | B Gottfried | 6 | 4 | 6 | ||||||||||||||||||||
| 2 | B Gottfried | 7 | 6 | ||||||||||||||||||||||||
Stan Smith won in the final, 6–2, 6–2, 7–5, against Andrés Gimeno.
Brian Gottfried was the defending champion, but did not compete that year.
The 1976 Paris Open singles tournament took place at the Palais omnisports de Paris-Bercy from October 25. Tom Okker was the defending champion, but lost in the quarter-finals to Jaime Fillol.
Corrado Barazzutti was the defending champion but did not compete that year.
Brian Gottfried and Raúl Ramírez were the defending champions but did not compete that year.
Robert Lutz was the defending champion but did not compete that year.
Harold Solomon was the defending champion but did not compete that year.
Mark Vines was the defending champion but lost in the first round to Bill Scanlon.
Ken Rosewall was the defending champion but lost in the semifinals to Arthur Ashe.
Stan Smith was the defending champion but lost in the semifinals to John Newcombe.
Jimmy Connors was the defending champion but did not compete that year.
Vitas Gerulaitis was the defending champion but lost in the semifinals to Björn Borg.
Stan Smith was the defending champion but lost in the second round to Raymond Moore.
Brian Gottfried was the defending champion but lost in the final 1–6, 6–0, 6–1, 6–2 to Ivan Lendl.
Bob Lutz and Stan Smith were the defending champions but only Smith competed that year with Brian Gottfried.
Brian Gottfried and Raúl Ramírez were the defending champions and won in the final 7–5, 6–3 against Fred McNair and Sherwood Stewart.
Harold Solomon was the defending champion but lost in the semifinals to Eddie Dibbs.
Mark Edmondson and Sherwood Stewart were the defending champions but lost in the semifinals to Brian Gottfried and Tomáš Šmíd.
Vitas Gerulaitis and Sandy Mayer were the defending champions, but lost in the quarterfinals to Ross Case and Geoff Masters.
Owen Davidson and John Newcombe were the defending champions, but competed this year with different partners. Davidson teamed up with Ken Rosewall and lost in second round to Anand Amritraj and Vijay Amritraj, while Newcombe teamed up with Tony Roche and lost in semifinals to tournament runners-up Patricio Cornejo and Jaime Fillol.