| Clubname: | AS Marsa |
| Fullname: | Avenir Sportif de La Marsa |
| Nickname: | Gnaweya (The Okras) |
| Founded: | 22 February 1939 |
| Ground: | Abdelaziz Chtioui Stadium La Marsa, Tunis, Tunisia |
| Capacity: | 6,500 |
| Chairman: | Taoufik Ben Ncib |
| Manager: | Abdelkarim Bouguerra |
| League: | Tunisian Ligue Professionnelle 2 |
| Season: | 2023–24 |
| Position: | 14th of 14 (relegated) |
| Website: | www.asmarsa.com |
| Pattern B1: | _greenstripes |
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| Pattern La2: | _shouldersonwhite |
| Pattern B2: | _thinsidesonwhite |
| Pattern Ra2: | _shouldersonwhite |
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| Body2: | 00800a |
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| Pattern B3: | _italiangreenwhitevertical |
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| Socks3: | 00800a |
Avenir Sportif de La Marsa (Arabic: المستقبل الرياضي بالمرسى), known as AS Marsa or simply ASM for short, is a Tunisian football club based in Tunis. The club was founded in 1939 and its colours are green and yellow. Their home stadium, Abdelaziz Chtioui Stadium, has a capacity of 6,500 spectators. The club is currently playing in the Tunisian Ligue Professionnelle 2.
When the club was founded its name was Club Musulman .
Winners : 1961, 1977, 1984, 1990, 1994
Runners-up : 1965, 1966, 1973, 1983, 1987, 1993, 2013, 2022
Winners : 2007
Runners-up : 1961
1 appearance
2005 – Group stage (Top 8)
3 appearances
1985 – First round
1991 – Second round
1995 – Withdrew in Quarter-finals
2 appearances
1992 – Semi-finals
1994 – Semi-finals
Runners-up: 1971
AS Marsa supporters help is needed to develop this section.
Rachid Turki
Sandor Pazmandy Hmid Dhib Béji Bouachir and Taoufik Ben Othman Skander Medelgi Taoufik Ben Othman Taoufik Ben Othman
Ahmed Benelfoul Omar Gadhoum Omar Gadhoum then Ali Selmi Ali Selmi Taoufik Ben Othman Baccar Ben Miled then Taoufik Ben Othman Ali Selmi Taoufik Ben Othman Abdelhamid Kermali Rachid Mekhloufi Taoufik Ben Othman Ali Selmi Ali Selmi then 
Jean-Claude Larrieu
Dragan Gugleta Dragan Gugleta then Hédi Kouni
Aleksandar Kostov Taoufik Ben Othman Aleksandar Kostov Ali Selmi Rachid Mekhloufi Ali Selmi Taoufik Ben Othman Habib Mejri
Kousteck Khaled Ben Yahia then Ali Fergani Faouzi Merzouki then 
Armand Forcherio then Serge Devèze Serge Devèze then Baccar Ben Miled then Taoufik Ben Othman Habib Mejri Ali Selmi Ali Selmi then Taoufik Ben Othman Habib Mejri Kais Yaacoubi Mrad Mahjoub Abdelkrim Bira then Khaled Ben Yahia Kamel Chebli Habib Mejri Gérard Buscher Dragan Cvetković Adel Sellimi Mondher Kebaier M'hammed Zaouchi (1939–55) Mondher Ben Ammar (1972–77) Mondher Ben Ammar (1979–80) Mondher Ben Ammar (1982–85) Montassar Mehrzi (2008–10)