| Club: | IFK Mariehamn |
| Season: | 2016 |
| Chairman: | Robert Söderdahl |
| Manager: | Peter Lundberg Kari Virtanen |
| Stadium: | Wiklöf Holding Arena |
| League: | Veikkausliiga |
| League Result: | 1st |
| Cup1: | Finnish Cup |
| Cup1 Result: | Sixth Round vs Lahti |
| Cup2: | League Cup |
| Cup2 Result: | Group Stage |
| Cup3: | UEFA Europa League |
| Cup3 Result: | First qualifying round vs Odd |
| League Topscorer: | Dever Orgill (13) |
| Season Topscorer: | Dever Orgill (14) |
| Leftarm1: | FFFFFF |
| Body1: | FFFFFF |
| Rightarm1: | FFFFFF |
| Shorts1: | 006600 |
| Socks1: | FFFFFF |
| Leftarm2: | 006600 |
| Body2: | 006600 |
| Rightarm2: | 006600 |
| Shorts2: | 006600 |
| Socks2: | 006600 |
| Prevseason: | 2015 |
| Nextseason: | 2017 |
The 2016 season is IFK Mariehamn's 12th Veikkausliiga season since their promotion back to the top flight in 2005.
See main article: article and List of Finnish football transfers summer 2016. In:Out:
See main article: article and 2016 Veikkausliiga.
See main article: article and 2016 Finnish Cup.
See main article: article and 2016 Finnish League Cup.
See main article: article and 2016–17 UEFA Europa League.
See main article: article and 2016–17 UEFA Europa League qualifying phase and play-off round.
|-|colspan="14"|Trialists:|-|colspan="14"|Players who left IFK Mariehamn during the season:|}
| width=60 | Place | width=60 | Position | width=60 | Nation | width=60 | Number | width=200 | Name | width=100 | Veikkausliiga | width=100 | Finnish Cup | width=100 | League Cup | width=200 | Europa League | width=80 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FW |  | 5 | Dever Orgill | 13 | 1 | 0 | 0 | 14 | ||||||||||
| 2 | FW |  | 33 | Aleksei Kangaskolkka | 6 | 1 | 2 | 0 | 9 | ||||||||||
| 3 | MF |  | 25 | Diego Assis | 6 | 0 | 0 | 0 | 6 | ||||||||||
| 4 | DF | | 8 | Jani Lyyski | 5 | 0 | 0 | 0 | 5 | ||||||||||
| 5 | MF |  | 11 | Josef Ibrahim | 2 | 1 | 0 | 0 | 3 | ||||||||||
| 6 | FW |  | 9 | Brian Span | 2 | 0 | 0 | 0 | 2 | ||||||||||
| MF | | 17 | Robin Sid | 1 | 1 | 0 | 0 | 2 | |||||||||||
| MF |  | 15 | Amos Ekhalie | 1 | 1 | 0 | 0 | 2 | |||||||||||
| MF | | 18 | Thomas Mäkinen | 1 | 1 | 0 | 0 | 2 | |||||||||||
| DF | | 55 | Bobbie Friberg da Cruz | 1 | 1 | 0 | 0 | 2 | |||||||||||
| 11 | MF | | 20 | Anthony Dafaa | 1 | 0 | 0 | 0 | 1 | ||||||||||
| DF | | 3 | Kristian Kojola | 1 | 0 | 0 | 0 | 1 | |||||||||||
| DF | | 4 | Philip Sparrdal Mantilla | 0 | 0 | 0 | 1 | 1 | |||||||||||
| TOTALS | 40 | 4 | 5 | 1 | 50 | ||||||||||||||
| Number | Nation | Position | Name | Veikkausliiga | Finnish Cup | League Cup | Europa League | Total | ||||||
| 1 | | GK | Walter Viitala | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| 3 | | DF | Kristian Kojola | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | |
| 4 | | DF | Philip Sparrdal Mantilla | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | |
| 5 | | FW | Dever Orgill | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | |
| 7 | | MF | Tommy Wirtanen | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| 8 | | DF | Jani Lyyski | 9 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 11 | 0 | |
| 9 | | MF | Brian Span | 6 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 9 | 0 | |
| 11 | | MF | Josef Ibrahim | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| 14 | | MF | Gabriel Petrović | 5 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 8 | 0 | |
| 15 | | MF | Amos Ekhalie | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |
| 17 | | MF | Robin Sid | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| 18 | | MF | Thomas Mäkinen | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |
| 20 | | MF | Anthony Dafaa | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 4 | 0 | |
| 25 | | MF | Diego Assis | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | |
| 33 | | FW | Aleksei Kangaskolkka | 6 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 9 | 0 | |
| TOTALS | 51 | 0 | 7 | 0 | 11 | 0 | 3 | 0 | 72 | 0 | ||||