| Club: | Le Havre AC |
| Season: | 2020–21 |
| Chrtitle: | President |
| Chairman: | Vincent Volpe |
| Mgrtitle: | Head coach |
| Manager: | Paul Le Guen |
| Stadium: | Stade Océane |
| League: | Ligue 2 |
| League Result: | 12th |
| Cup1: | Coupe de France |
| Cup1 Result: | Eighth round |
| Pattern Name1: | Home |
| Pattern La1: | _lehavre2021h |
| Pattern B1: | _lehavre2021h |
| Pattern Ra1: | _lehavre2021h |
| Pattern Sh1: | _lehavre2021h |
| Leftarm1: | A9E2F3 |
| Body1: | 000066 |
| Rightarm1: | A9E2F3 |
| Shorts1: | 000066 |
| Socks1: | 000066 |
| Pattern Name2: | Away |
| Pattern La2: | _lehavre2021a |
| Pattern B2: | _lehavre2021a |
| Pattern Ra2: | _lehavre2021a |
| Pattern Sh2: | _lehavre2021a |
| Leftarm2: | EEEFFF |
| Body2: | EEEFFF |
| Rightarm2: | EEEFFF |
| Shorts2: | EEEFFF |
| Socks2: | FFFFFF |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 Le Havre AC season was the club's 127th season in existence and its 12th consecutive season in the second flight of French football. In addition to the domestic league, Le Havre participated in this season's edition of the Coupe de France. The season covered the period from 1 July 2020 to 30 June 2021.
See main article: 2020–21 Ligue 2.
The league fixtures were announced on 9 July 2020.[1]
See main article: 2020–21 Coupe de France.