| Club: | Tromsø |
| Season: | 2013 |
| Manager: | Agnar Christensen (until 1 October 2013) Steinar Nilsen (from 1 October 2013) |
| Mgrtitle: | Manager |
| Chairman: | Helge Kræmer |
| Chrtitle: | Chairman |
| Stadium: | Alfheim Stadion |
| League: | Tippeligaen |
| League Result: | 15th Relegated |
| Cup1: | Norwegian Cup |
| Cup1 Result: | Fourth Round vs Rosenborg |
| Cup2: | Europa League |
| Cup2 Result: | Group stage |
| League Topscorer: | Zdeněk Ondrášek (8) |
| Season Topscorer: | Zdeněk Ondrášek (12) |
| Highest Attendance: | 6,033 vs Start 29 September 2013 |
| Lowest Attendance: | 1,057 vs Follo 29 May 2013 |
| Average Attendance: | 3,967 23 December 2013 |
| Pattern B1: | _tromso11h |
| Leftarm1: | FF0000 |
| Body1: | FF0000 |
| Rightarm1: | FF0000 |
| Shorts1: | FFFFFF |
| Socks1: | FFFFFF |
| Pattern La2: | _ita10h |
| Pattern B2: | _kavala1011h |
| Pattern Ra2: | _ita10h |
| Leftarm2: | 0000FF |
| Body2: | 0000FF |
| Rightarm2: | 0000FF |
| Shorts2: | 0000FF |
| Socks2: | 0000FF |
| Prevseason: | 2012 |
| Nextseason: | 2014 |
The 2013 season was Tromsø's 11th consecutive year in Tippeligaen, and their 27th season in the top flight of Norwegian football, a run that came to an end as they were relegated to the Adeccoligaen after finishing 15th. They also participated in the 2013 Norwegian Football Cup, reaching the Fourth Round before defeat to Rosenborg. They also played in the 2013–14 UEFA Europa League, reaching the Group Stage before finishing bottom behind Tottenham Hotspur, Anzhi Makhachkala and Sheriff Tiraspol. It was their first season under the management of Agnar Christensen, but he was replaced by Steinar Nilsen on 1 October 2013.
See main article: List of Norwegian football transfers winter 2012–13. In:[1] [2] [3] Out: [4]
See main article: List of Norwegian football transfers summer 2013. In:Out: [5]
See main article: 2013 Tippeligaen.
See main article: 2013 Norwegian Football Cup.
See main article: 2013–14 UEFA Europa League.
See main article: 2013–14 UEFA Europa League qualifying phase and play-off round.
See main article: 2013–14 UEFA Europa League group stage.
|-|colspan=14|Players away from Tromsø on loan:|-|colspan=14|Players who left Tromsø during the season:|}
| width=60 | Place | width=60 | Position | width=60 | Nation | width=60 | Number | width=200 | Name | width=80 | Tippeligaen | width=100 | Norwegian Cup | width=100 | Europa League | width=80 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | FW |  | 13 | 8 | 1 | 3 | 12 | ||||||||||
| 2 | MF |  | 15 | 6 | 1 | 2 | 9 | ||||||||||
| MF | | 8 | 6 | 2 | 1 | 9 | |||||||||||
| 4 | MF | | 17 | 7 | 1 | 0 | 8 | ||||||||||
| 5 | FW | | 5 | 5 | 0 | 1 | 6 | ||||||||||
| 6 | FW | 28 | 1 | 4 | 0 | 5 | |||||||||||
| FW | | 9 | 3 | 2 | 0 | 5 | |||||||||||
| 8 | DF |  | 3 | 2 | 1 | 0 | 3 | ||||||||||
| 9 | MF | | 11 | 1 | 1 | 0 | 2 | ||||||||||
| DF |  | 7 | 1 | 0 | 1 | 2 | |||||||||||
| MF | | 10 | 1 | 1 | 0 | 2 | |||||||||||
| 12 | MF | | 16 | 0 | 1 | 0 | 1 | ||||||||||
| MF | 18 | 0 | 0 | 1 | 1 | ||||||||||||
| TOTALS | 41 | 14 | 9 | 64 | |||||||||||||
| Number | Nation | Position | Name | Tippeligaen | Norwegian Cup | Europa League | Total | ||||||||
| width=60 style="background: #FFEE99" | width=60 style="background: #FF8888" | width=60 style="background: #FFEE99" | width=60 style="background: #FF8888" | width=60 style="background: #FFEE99" | width=60 style="background: #FF8888" | width=60 style="background: #FFEE99" | width=60 style="background: #FF8888" | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3 | | DF | 3 | 0 | 1 | 0 | 5 | 0 | 9 | 0 | |||||
| 4 | | DF | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |||||
| 5 | | FW | 2 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | |||||
| 6 | | DF | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | |||||
| 7 | | DF | 3 | 0 | 0 | 0 | 2 | 0 | 5 | 0 | |||||
| 8 | | MF | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | |||||
| 9 | | FW | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |||||
| 10 | | MF | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |||||
| 11 | | MF | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |||||
| 13 | | FW | 3 | 0 | 0 | 0 | 4 | 0 | 6 | 0 | |||||
| 14 | | DF | 4 | 0 | 0 | 0 | 1 | 1 | 5 | 1 | |||||
| 15 | | MF | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |||||
| 16 | | MF | Lars Gunnar Johnsen | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | ||||
| 18 | MF | 5 | 1 | 1 | 0 | 1 | 0 | 7 | 1 | ||||||
| 22 |  | DF | 1 | 0 | 1 | 0 | 3 | 1 | 5 | 1 | |||||
| 23 | | DF | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | |||||
| 28 | FW | 3 | 0 | 2 | 0 | 2 | 0 | 7 | 0 | ||||||
| 28 | MF | 2 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | ||||||
| TOTALS | 35 | 1 | 4 | 0 | 26 | 2 | 65 | 3 | |||||||