| Club: | SPAL |
| Season: | 2020–21 |
| Chrtitle: | Chairman |
| Chairman: | Walter Mattioli |
| Mgrtitle: | Head coach |
| Manager: | Pasquale Marino |
| Stadium: | Stadio Paolo Mazza |
| League: | Serie B |
| League Result: | 9th |
| Cup1: | Coppa Italia |
| Cup1 Result: | Quarter-finals |
| League Topscorer: | Mattia Valoti (11) |
| Season Topscorer: | Mattia Valoti (11) |
| Pattern La1: | _spal2021h |
| Pattern B1: | _spal2021h |
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| Pattern Sh1: | _spal2021h |
| Pattern So1: | _spal2021h |
| Leftarm1: | 2D98D1 |
| Body1: | 2D98D1 |
| Rightarm1: | 2D98D1 |
| Shorts1: | FFFFFF |
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| Pattern La2: | _spal2021a |
| Pattern B2: | _spal2021a |
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| Pattern Sh2: | _spal2021a |
| Pattern So2: | _spal2021a |
| Leftarm2: | DF1C2F |
| Body2: | DF1C2F |
| Rightarm2: | DF1C2F |
| Shorts2: | DF1C2F |
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| Pattern La3: | _spal2021t |
| Pattern B3: | _spal2021t |
| Pattern Ra3: | _spal2021t |
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| Updated: | 10 May 2021 |
| Prevseason: | 2019–20 |
| Nextseason: | 2021–22 |
The 2020–21 Società Polisportiva Ars et Labor season was the club's 114th season in existence and the club's first season back in the second division of Italian football. In addition to the domestic league, SPAL participated in this season's edition of the Coppa Italia. The season covers the period from 3 August 2020 to 30 June 2021.
See main article: 2020–21 Serie B.
The league fixtures were announced on 9 September 2020.[1]
See main article: 2020–21 Coppa Italia.
|-! colspan=14 style=background:#dcdcdc; text-align:center| Goalkeepers|-! colspan=14 style=background:#dcdcdc; text-align:center| Defenders|-! colspan=14 style=background:#dcdcdc; text-align:center| Midfielders|-! colspan=14 style=background:#dcdcdc; text-align:center| Forwards|-! colspan=14 style=background:#dcdcdc; text-align:center| Players transferred out during the season