| Season | Team | Competition | MP | G | A | Rating | ||
|---|---|---|---|---|---|---|---|---|
| 2021/2022 | Aris | UEFA Europa Conference League | 1 | 0 | 0 | 0 | 0 | – |
| 2020 | PSV | Club Friendlies | 0 | 0 | 0 | 0 | 0 | – |
| 2019/2020 | PSV | UEFA Europa League | 4 | 1 | 0 | 0 | 0 | 6.3 |
| 2019 | Galatasaray | Club Friendlies | 4 | 0 | 0 | 0 | 0 | – |
| 2018/2019 | Marseille | UEFA Europa League | 5 | 0 | 0 | 0 | 0 | 6.4 |
| 2017/2018 | Marseille | UEFA Europa League | 7 | 0 | 0 | 2 | 0 | 6.6 |
| 2016/2017 | Benfica | UEFA Champions League | 7 | 1 | 1 | 1 | 0 | 6.7 |
| 2015/2016 | Benfica | UEFA Champions League | 7 | 2 | 1 | 1 | 0 | 6.8 |
| 2014/2015 | Olympiakos | UEFA Europa League | 2 | 1 | 0 | 0 | 0 | – |
| 2014/2015 | Olympiakos | UEFA Champions League | 6 | 2 | 0 | 0 | 0 | – |
| 2013/2014 | Olympiakos | UEFA Champions League | 5 | 3 | 0 | 1 | 0 | – |
| 2012/2013 | Olympiakos | UEFA Europa League | 2 | 0 | 0 | 0 | 0 | – |
| 2012/2013 | Olympiakos | UEFA Champions League | 6 | 4 | 0 | 1 | 0 | – |
| 2010/2011 | Olympiakos | UEFA Europa League | 4 | 0 | 0 | 0 | 0 | – |
| 2009/2010 | Olympiakos | UEFA Champions League | 12 | 4 | 0 | 1 | 0 | – |
| 2008/2009 | Olympiakos | UEFA Champions League | 2 | 0 | 0 | 0 | 0 | – |
| 2008/2009 | Olympiakos | UEFA Europa League | 3 | 1 | 0 | 0 | 0 | – |
| 2007/2008 | Olympiakos | UEFA Champions League | 2 | 0 | 0 | 1 | 0 | – |
| Total | 79 | 19 | 2 | 8 | 0 | – | ||
| Date | From | To | Type | |
|---|---|---|---|---|
| - | Marseille | Aris | Free | |
| 07 Jan 2020 | PSV | Marseille | N/A | |
| - | Galatasaray | PSV | Loan | |
| - | Marseille | Galatasaray | Loan | |
| - | Benfica | Marseille | N/A | |
| 08 Jun 2015 | Fulham | Benfica | Loan | |
| - | Fulham | Olympiakos | Loan | |
| - | Olympiakos | Fulham | € 15M | |
| 08 Feb 2011 | Olympiakos | Atromitos | Loan | |
| 01 Jan 2011 | Olympiakos | Panionios | Loan |
K. Mitroglou career history shows progression across clubs and competitions, including club timeline, national team appearances and overall career totals.