Deutsch 
| Position | Verteidiger |
| Nationalität |  |
| Geburtsort | Stockholm, SWE |
| Größe | 186 cm |
| Gewicht | 86 kg |
| Geburtsdatum | 08.08.1996 |
| Jugendmannschaft | AIK |
| Schusshand/Fanghand | Links |
| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2009-2010 | AIK U16 | U16 SM | 3 | 1 | 3 | 4 | 0 | | | ||||||
| AIK J18 | J18 Region | 1 | 0 | 0 | 0 | 0 | | | |||||||
| 2010-2011 | AIK J18 | J18 Region | 16 | 2 | 4 | 6 | 24 | | | ||||||
| AIK J18 | J18 Nationell | 12 | 1 | 5 | 6 | 47 | | | Playoffs | 6 | 2 | 1 | 3 | 0 | |
| 2011-2012 | AIK J18 | J18 Region | 14 | 3 | 11 | 14 | 18 | | | ||||||
| AIK J18 | J18 Nationell | 16 | 7 | 8 | 15 | 6 | | | |||||||
| 2012-2013 | AIK J20 | J20 Nationell | 18 | 2 | 7 | 9 | 41 | | | Playoffs | 3 | 0 | 0 | 0 | 10 |
| 2013-2014 | AIK J20 | J20 Nationell | 36 | 2 | 17 | 19 | 63 | | | Playoffs | 2 | 0 | 2 | 2 | 0 |
| AIK | SHL | 26 | 1 | 2 | 3 | 2 | | | |||||||
| 2014-2015 | AIK J20 | J20 Nationell | 8 | 2 | 5 | 7 | 4 | | | ||||||
| AIK | HockeyAllsvenskan | 33 | 0 | 1 | 1 | 22 | | | Kvalserien AS | 9 | 0 | 1 | 1 | 2 | |
| 2015-2016 | BIK Karlskoga | HockeyAllsvenskan | 50 | 1 | 11 | 12 | 30 | | | Qualification | 5 | 2 | 4 | 6 | 0 |
| 2016-2017 | BIK Karlskoga | HockeyAllsvenskan | 48 | 11 | 15 | 26 | 36 | | | Qualification | 10 | 2 | 3 | 5 | 18 |
| 2017-2018 | Färjestad BK | SHL | 47 | 5 | 11 | 16 | 24 | | | Playoffs | 3 | 0 | 0 | 0 | 2 |
| 2018-2019 | Färjestad BK | SHL | 47 | 2 | 13 | 15 | 34 | | | Playoffs | 14 | 0 | 1 | 1 | 6 |
| 2019-2020 | Frölunda HC | SHL | 31 | 3 | 12 | 15 | 10 | | | ||||||
| Frölunda HC | Champions HL | 12 | 3 | 2 | 5 | 25 | | | |||||||
| 2020-2021 | Frölunda HC | SHL | 18 | 4 | 4 | 8 | 8 | | | ||||||
| Bakersfield Condors | AHL | 19 | 2 | 5 | 7 | 6 | | | Playoffs | 4 | 0 | 3 | 3 | 5 | |
| 2021-2022 | Torpedo Nizhny Novgorod | KHL | 40 | 9 | 18 | 27 | 14 | | | ||||||
| Färjestad BK | SHL | 11 | 3 | 5 | 8 | 8 | | | Playoffs | 19 | 4 | 10 | 14 | 18 | |
| Sweden | OG | 5 | 0 | 0 | 0 | 2 | | | |||||||
| Sweden (all) | International | 5 | 0 | 0 | 0 | 2 | | | |||||||
| 2022-2023 | Färjestad BK | SHL | 34 | 13 | 18 | 31 | 18 | | | Playoffs | 3 | 0 | 1 | 1 | 8 |
| Färjestad BK | Champions HL | 5 | 0 | 3 | 3 | 2 | | | |||||||
| Sweden | EHT | 3 | 1 | 0 | 1 | 0 | | | |||||||
| Sweden (all) | International | 3 | 1 | 0 | 1 | 0 | | | |||||||
| 2023-2024 | Genève-Servette HC | NL | 17 | 2 | 9 | 11 | 4 | | | Playoffs | 2 | 1 | 0 | 1 | 4 |
| Genève-Servette HC | Champions HL | 6 | 2 | 2 | 4 | 2 | | | |||||||
| 2024-2025 | Genève-Servette HC | NL | 14 | 0 | 8 | 8 | 14 | | | ||||||
| Genève-Servette HC | Champions HL | 4 | 0 | 1 | 1 | 2 | | |
Theodor Lennström ist ein schwedischer Eishockeyspieler.
