| Club: | NK Slaven Belupo |
| Season: | 2021–22 |
| Chrtitle: | Chairman |
| Chairman: | Hrvoje Kolarić |
| Mgrtitle: | Manager |
| Manager: | Zoran Zekić |
| Stadium: | Gradski stadion Ivan Kušek-Apaš |
| League: | Prva HNL |
| League Result: | 7th |
| Cup1: | Croatian Cup |
| Cup1 Result: | Quarter-finals |
| Pattern La1: | _adidascondivo20rbw |
| Pattern B1: | _adidascondivo20rbw |
| Pattern Ra1: | _adidascondivo20rbw |
| Pattern Sh1: | _adidascondivo20rbw |
| Leftarm1: | 0000FF |
| Body1: | 0000FF |
| Rightarm1: | 0000FF |
| Shorts1: | 0000FF |
| Socks1: | 0000FF |
| Pattern La2: | _qarabag1617H |
| Pattern B2: | _qarabag1617H |
| Pattern Ra2: | _qarabag1617H |
| Pattern Sh2: | _adidaswhite |
| Pattern So2: | _3_stripes_white |
| Leftarm2: | 000000 |
| Body2: | 000000 |
| Rightarm2: | 000000 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
| Pattern La3: | _adidastiro19w |
| Pattern B3: | _adidastiro19w |
| Pattern Ra3: | _adidastiro19w |
| Pattern Sh3: | _adidasblack |
| Pattern So3: | _3_stripes_black |
| Leftarm3: | FFFFFF |
| Body3: | FFFFFF |
| Rightarm3: | FFFFFF |
| Shorts3: | FFFFFF |
| Socks3: | FFFFFF |
| Prevseason: | 2020–21 |
| Nextseason: | 2022–23 |
The 2021–22 season is the 113th season in the existence of NK Slaven Belupo and the 14th consecutive season in the top flight of Croatian football. In addition to the domestic league, NK Slaven Belupo participated in this season's edition of the Croatian Cup.
See main article: 2021–22 Croatian First Football League.
The league fixtures were announced on 8 June 2021.[1]
See main article: 2021–22 Croatian Football Cup.