Deutsch 
| Position | Torhüter |
| Nationalität |  |
| Geburtsort | Füssen, GER |
| Größe | 188 cm |
| Gewicht | 105 kg |
| Geburtsdatum | 29.01.1986 |
| Jugendmannschaft | EV Füssen |
| Schusshand/Fanghand | Links |
| Draft | 2004 round 3 #94 overall by San Jose Sharks |
| Season | Team | League | GP | GAA | SVS% | Playoffs | GP | GAA | SVS% | |
| 1998-1999 | EHC München Peewee | QC Int PW | - | - | - | | | ||||
| 1999-2000 | EV Füssen U18 | Jugend-BL | 1 | - | - | | | ||||
| 2000-2001 | EV Füssen U18 | Germany U18 | - | - | - | | | ||||
| 2001-2002 | EV Füssen U20 | Junioren-BL | 5 | - | - | | | ||||
| Germany U16 (all) | International-Jr | 11 | - | - | | | |||||
| Germany U17 (all) | International-Jr | 2 | - | - | | | |||||
| 2002-2003 | Kölner EC U18 | DNL | 25 | 2.16 | - | | | Playoffs | 3 | 2.67 | - |
| Germany U17 (all) | International-Jr | 3 | - | - | | | |||||
| Germany U18 | WJC-18 D1 | 2 | 1.00 | .955 | | | |||||
| Germany U18 (all) | International-Jr | 2 | 1.00 | .955 | | | |||||
| 2003-2004 | Kölner EC U18 | DNL | 24 | 2.61 | - | | | ||||
| Kölner Haie | DEL | 1 | 12.00 | .600 | | | |||||
| Germany U18 | WJC-18 D1 | 3 | 3.43 | .867 | | | |||||
| Germany U18 (all) | International-Jr | 3 | 3.43 | .867 | | | |||||
| Germany U20 | WJC-20 D1 | 2 | 1.51 | .909 | | | |||||
| Germany U20 (all) | International-Jr | 2 | 1.51 | .909 | | | |||||
| 2004-2005 | Kölner Haie | DEL | 8 | 2.09 | .936 | | | ||||
| Eisbären Regensburg | Germany2 | 1 | 2.00 | - | | | Playoffs | 2 | 2.14 | - | |
| Germany U20 | WJC-20 | 3 | 7.50 | .806 | | | |||||
| Germany U20 (all) | International-Jr | 5 | 4.31 | .855 | | | |||||
| 2005-2006 | Kölner Haie | DEL | 27 | 2.46 | .926 | | | Playoffs | 9 | 3.04 | .899 |
| Germany U20 | WJC-20 D1 | 4 | 0.50 | .978 | | | |||||
| Germany U20 (all) | International-Jr | 4 | 0.50 | .978 | | | |||||
| Germany | OG | 1 | 5.00 | .875 | | | |||||
| Germany | Deutschland Cup | 2 | 2.53 | .904 | | | |||||
| Germany | WC D1 | 2 | 1.97 | .882 | | | |||||
| Germany (all) | International | 9 | - | - | | | |||||
| 2006-2007 | Worcester Sharks | AHL | 43 | 2.61 | .912 | | | Playoffs | 3 | 4.18 | .865 |
| Fresno Falcons | ECHL | 3 | 2.34 | .929 | | | |||||
| 2007-2008 | San Jose Sharks | NHL | 3 | 3.26 | .860 | | | ||||
| Worcester Sharks | AHL | 41 | 3.09 | .892 | | | |||||
| 2008-2009 | Worcester Sharks | AHL | 57 | 2.47 | .907 | | | Playoffs | 12 | 2.43 | .912 |
| 2009-2010 | San Jose Sharks | NHL | 16 | 2.68 | .912 | | | Playoffs | 1 | 3.00 | .929 |
| Germany | OG | 3 | 5.03 | .815 | | | |||||
| Germany (all) | International | 3 | 5.03 | .815 | | | |||||
| 2010-2011 | Brynäs IF | SHL | 32 | 2.82 | .904 | | | Playoffs | 5 | 3.40 | .892 |
| 2011-2012 | San Jose Sharks | NHL | 19 | 2.30 | .915 | | | ||||
| 2012-2013 | Hannover Scorpions | DEL | 9 | 3.48 | .905 | | | ||||
| San Jose Sharks | NHL | 6 | 2.53 | .915 | | | |||||
| Worcester Sharks | AHL | 1 | 5.04 | .815 | | | |||||
| 2013-2014 | Arizona Coyotes | NHL | 25 | 2.29 | .920 | | | ||||
| 2014-2015 | Pittsburgh Penguins | NHL | 20 | 2.59 | .908 | | | ||||
| 2015-2016 | New York Islanders | NHL | 41 | 2.36 | .925 | | | Playoffs | 11 | 2.46 | .923 |
| Germany | WC | 4 | 2.50 | .904 | | | |||||
| Germany (all) | International | 4 | 2.50 | .904 | | | |||||
| 2016-2017 | New York Islanders | NHL | 51 | 2.69 | .913 | | | ||||
| Team Europe | WCup | 0 | - | - | | | |||||
| Germany | WC | 4 | 4.96 | .876 | | | |||||
| Germany (all) | International | 5 | 4.66 | .875 | | | |||||
| 2017-2018 | New York Islanders | NHL | 27 | 3.82 | .892 | | | ||||
| 2018-2019 | New York Islanders | NHL | 43 | 2.28 | .927 | | | Playoffs | 1 | 3.33 | .800 |
| 2019-2020 | New York Islanders | NHL | 31 | 2.74 | .913 | | | Playoffs | 4 | 2.02 | .929 |
| 2020-2021 | Detroit Red Wings | NHL | 34 | 2.70 | .912 | | | ||||
| 2021-2022 | Detroit Red Wings | NHL | 31 | 3.66 | .891 | | | ||||
| 2022-2023 | St. Louis Blues | NHL | 21 | 3.64 | .896 | | | ||||
| 2023-2024 | Did not play | | | ||||||||
| 2024-2025 | Löwen Frankfurt | DEL | 2 | 2.52 | .914 | | |
Thomas Greiss (* 29. Januar 1986 in Füssen) ist ein deutscher Eishockeytorwart, der seit Oktober 2020 bei den Detroit Red Wings aus der National Hockey League unter Vertrag steht. Zuvor war er in der NHL bereits für die San Jose Sharks, Phoenix Coyotes, Pittsburgh Penguins und New York Islanders aktiv. Im Jahre 2019 gewann er die William M. Jennings Trophy als Torhüter mit dem geringsten Gegentorschnitt der Liga. Auf internationaler Ebene vertrat er die deutsche Nationalmannschaft unter anderem bei den Olympischen Winterspielen 2006 und 2010.
