Deutsch 
Sergej Janzen| Position | Stürmer |
| Nationalität | |
| Geburtsort | Yarovoye, RUS |
| Größe | 175 cm |
| Gewicht | 80 kg |
| Geburtsdatum | 18.02.1987 |
| Jugendmannschaft | - |
| Schusshand/Fanghand | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2002-2003 | Kölner EC U18 | DNL | 38 | 15 | 26 | 41 | 90 | | | ||||||
| Germany U16 (all) | International-Jr | 7 | 1 | 1 | 2 | 8 | | | |||||||
| 2003-2004 | Kölner EC U18 | DNL | 36 | 22 | 14 | 36 | 60 | | | Playoffs | 5 | 1 | 1 | 2 | 4 |
| Germany U17 | WHC-17 | 5 | 0 | 0 | 0 | 2 | | | |||||||
| Germany U17 (all) | International-Jr | 9 | 1 | 0 | 1 | 4 | | | |||||||
| 2004-2005 | Kölner EC U18 | DNL | 34 | 20 | 20 | 40 | 54 | | | Playoffs | 2 | 1 | 0 | 1 | 0 |
| Germany U18 | WJC-18 | 6 | 1 | 1 | 2 | 2 | | | |||||||
| Germany U18 (all) | International-Jr | 9 | 2 | 1 | 3 | 6 | | | |||||||
| 2005-2006 | Fischtown Pinguins | Germany2 | 35 | 1 | 2 | 3 | 40 | | | Playoffs | 10 | 0 | 0 | 0 | 6 |
| Germany U19 (all) | International-Jr | - | - | - | - | - | | | |||||||
| 2006-2007 | Fischtown Pinguins | Germany2 | 45 | 4 | 10 | 14 | 75 | | | Playoffs | 3 | 0 | 0 | 0 | 2 |
| Hannover Scorpions | DEL | 4 | 0 | 0 | 0 | 0 | | | |||||||
| 2007-2008 | Fischtown Pinguins | Germany2 | 50 | 3 | 3 | 6 | 77 | | | Relegation | 7 | 1 | 0 | 1 | 2 |
| REV Bremerhaven II | Germany4 | 6 | 5 | 2 | 7 | - | | | |||||||
| 2008-2009 | Fischtown Pinguins | Germany2 | 46 | 6 | 15 | 21 | 52 | | | Playoffs | 6 | 2 | 2 | 4 | 14 |
| Hannover Scorpions | DEL | 6 | 1 | 0 | 1 | 0 | | | Playoffs | 5 | 0 | 0 | 0 | 0 | |
| Fischtown Pinguins | DEB-Pokal | 2 | 0 | 0 | 0 | 0 | | | |||||||
| 2009-2010 | Fischtown Pinguins | Germany2 | 45 | 9 | 7 | 16 | 87 | | | Relegation | 5 | 0 | 2 | 2 | 2 |
| Hannover Scorpions | DEL | 7 | 0 | 0 | 0 | 0 | | | |||||||
| Fischtown Pinguins | DEB-Pokal | 3 | 0 | 0 | 0 | 0 | | | |||||||
| 2010-2011 | Fischtown Pinguins | Germany2 | 47 | 13 | 21 | 34 | 62 | | | Playoffs | 5 | 0 | 0 | 0 | 31 |
| Fischtown Pinguins | DEB-Pokal | 4 | 0 | 0 | 0 | 4 | | | |||||||
| 2011-2012 | Fischtown Pinguins | Germany2 | 47 | 7 | 10 | 17 | 41 | | | Relegation | 8 | 0 | 1 | 1 | 8 |
| Fischtown Pinguins | DEB-Pokal | 4 | 0 | 0 | 0 | 2 | | | |||||||
| 2012-2013 | Hannover Scorpions | DEL | 50 | 2 | 3 | 5 | 53 | | | ||||||
| 2013-2014 | Hannover Scorpions | Germany3 | 31 | 20 | 37 | 57 | 57 | | | Playoffs | 9 | 2 | 3 | 5 | 12 |
| 2014-2015 | Heilbronner Falken | DEL2 | 52 | 5 | 12 | 17 | 61 | | | Relegation | 11 | 1 | 2 | 3 | 4 |
| 2015-2016 | Deggendorfer SC | Germany3 | 37 | 6 | 25 | 31 | 55 | | | Playoffs | 5 | 0 | 0 | 0 | 33 |
| 2016-2017 | Deggendorfer SC | Germany3 | 46 | 15 | 17 | 32 | 36 | | | Playoffs | 4 | 3 | 2 | 5 | 6 |
| 2017-2018 | Deggendorfer SC | Germany3 | 46 | 15 | 26 | 41 | 50 | | | Playoffs | 16 | 2 | 5 | 7 | 8 |
| 2018-2019 | Deggendorfer SC | DEL2 | 37 | 4 | 9 | 13 | 20 | | | ||||||
| 2019-2020 | Deggendorfer SC | Germany3 | 48 | 5 | 8 | 13 | 18 | | | ||||||
| 2020-2021 | Deggendorfer SC | Germany3 | 33 | 2 | 7 | 9 | 14 | | | ||||||
| 2021-2022 | EHF Passau Black Hawks | Germany3 | 35 | 6 | 9 | 15 | 25 | | | ||||||
| 2022-2023 | EHF Passau Black Hawks | Germany3 | 48 | 9 | 19 | 28 | 26 | | | ||||||
| 2023-2024 | EHF Passau Black Hawks | Germany3 | 22 | 1 | 4 | 5 | 12 | | | ||||||
| EV Dingolfing | Germany4 | 15 | 6 | 6 | 12 | 6 | | | Relegation | 14 | 2 | 11 | 13 | 14 |
Sergej Janzen (* 18. Februar 1987 in Yarovoye, RUS) ist ein russisch-deutscher Eishockeyspieler.
