| WTA Miami | 03/21 16:30 | 23 | [71] Jasmine Paolini v Mirjam Bjorklund [149] | 6-4,4-6,4-6 | |
| WTA Miami | 03/20 15:00 | 15 | [149] Mirjam Bjorklund v Tamara Zidansek [112] | 6-3,3-6,6-4 | |
| WTA Miami | 03/19 15:00 | 14 | [84] Ysaline Bonaventure v Mirjam Bjorklund [145] | 4-6,6-4,3-6 | |
| WTA Indian Wells | 03/07 01:30 | 14 | [92] Rebeka Masarova v Mirjam Bjorklund [145] | 6-3,7-5 | |
| WTA Austin | 03/02 00:00 | 26 | [137] Peyton Stearns v Mirjam Bjorklund [151] | 6-3,7-5 | |
| WTA Austin | 02/27 18:40 | 25 | [151] Mirjam Bjorklund v Alycia Parks [50] | 6-4,4-6,6-4 | |
| WTA Abu Dhabi | 02/06 09:20 | 19 | [149] Mirjam Bjorklund v Elena Gabriela Ruse [148] | 4-6,1-6 | |
| WTA Abu Dhabi | 02/05 11:35 | 14 | [37] Aliaksandra Sasnovich v Mirjam Bjorklund [153] | 3-6,7-6,5-7 | |
| WTA Hua Hin | 02/01 09:35 | 26 | [81] Xinyu Wang v Mirjam Bjorklund [153] | 6-3,6-3 | |
| WTA Hua Hin | 01/30 13:15 | 25 | [365] Lanlana Tararudee v Mirjam Bjorklund [153] | 2-6,4-6 | |
| Australian Open Women | 01/10 23:00 | 15 | [151] Mirjam Bjorklund v Nao Hibino [139] | 1-6,6-4,6-7 | |
| Australian Open Women | 01/09 02:00 | 14 | [151] Mirjam Bjorklund v Ekaterina Reyngold [289] | 7-5,6-1 | |
| ITF W60 Canberra | 01/04 02:25 | 26 | [157] Mirjam Bjorklund v Hailey Baptiste [166] | 6-3,5-7,2-6 | |
| ITF W60 Canberra | 01/03 05:35 | 25 | [237] Arianne Hartono v Mirjam Bjorklund [157] | 3-6,1-6 | |
| ITF W100 Shrewsbury | 11/02 11:20 | 25 | [127] Mirjam Bjorklund v Marketa Vondrousova [121] | 2-6,1-6 | |
| ITF W60 Toronto | 10/28 14:00 | 27 | [237] Eudice Chong v Mirjam Bjorklund [133] | 6-1,7-6 | |
| ITF W60 Toronto | 10/27 17:25 | 26 | [435] Victoria Duval v Mirjam Bjorklund [133] | Retired | |
| ITF W60 Toronto | 10/25 13:55 | 25 | [382] Viktoria Morvayova v Mirjam Bjorklund [133] | 1-6,3-6 | |
| WTA Cluj-Napoca | 10/09 12:35 | 19 | [137] Anna Blinkova v Mirjam Bjorklund [130] | 6-2,6-2 | |
| WTA Cluj-Napoca | 10/08 16:10 | 14 | [158] Ekaterine Gorgodze v Mirjam Bjorklund [130] | 3-6,6-4,0-6 | |
| WTA Tallinn | 09/27 08:00 | 25 | [133] Mirjam Bjorklund v Tereza Martincova [67] | 6-7,3-6 | |
| WTA Tallinn | 09/25 12:00 | 19 | [133] Mirjam Bjorklund v Ysaline Bonaventure [139] | 5-7,4-6 | |
| WTA Tallinn | 09/24 15:45 | 14 | [133] Mirjam Bjorklund v Valentini Grammatikopoulou [200] | 6-2,6-2 | |
| US Open Women | 08/25 19:35 | 15 | [316] Whitney Osuigwe v Mirjam Bjorklund [128] | 6-3,6-4 | |
| US Open Women | 08/24 18:55 | 14 | [155] Caroline Dolehide v Mirjam Bjorklund [128] | 3-6,7-5,3-6 | |
| ITF W60 Bronx | 08/21 18:00 | 29 | [108] Kamilla Rakhimova v Mirjam Bjorklund [123] | 6-2,6-3 | |
| ITF W60 Bronx | 08/20 15:00 | 28 | [123] Mirjam Bjorklund v Simona Waltert [124] | 6-4,6-2 | |
| ITF W60 Bronx | 08/19 15:00 | 27 | [156] Anastasia Gasanova v Mirjam Bjorklund [123] | Retired | |
| ITF W60 Bronx | 08/18 16:35 | 26 | [123] Mirjam Bjorklund v Viktorija Golubic [89] | 7-5,6-2 | |
| ITF W60 Bronx | 08/17 15:15 | 25 | [134] Reka-Luca Jani v Mirjam Bjorklund [123] | 5-7,2-6 |
Mirjam Björklund (born 29 July 1998) is an inactive Swedish tennis player. She has a career-high singles ranking of 123 by the WTA, achieved on 20 June 2022. She also has a best doubles ranking of world No. 281, which she reached on 31 January 2022. Björklund has won one doubles WTA Challenger title as well as ten titles in singles and two in doubles on the ITF Women's Circuit.
Björklund made her WTA Tour main-draw debut at the 2017 Swedish Open, where she played Kateryna Kozlova in the first round.
At the 2022 French Open, she qualified to make her major tournament debut, and was drawn to face fellow qualifier Donna Vekić.
She qualified for her second major in a row at the 2022 Wimbledon Championships where she faced world No. 2, Ons Jabeur, in the first round.
She qualified for her first WTA 1000 tournament at the 2023 Miami Open, as an unseeded player in the qualifying draw, deafeating two seeded players in a row. She was drawn to face Italian world No. 71, Jasmine Paolini, in the first round and defeated her, after dropping the first set. She was defeated by world No. 22 and 2017 French Open champion, Jeļena Ostapenko, in the second round.
She qualified for her third major tournament at the 2023 US Open, and was beaten in the first round by 32nd seed, Elise Mertens, in a third set tiebreaker.