Calderwood hashad been engaged to Syndicate MMA head coach John Wood since October 2019 before their marriage in November 2021.<ref>{{cite web|url=https://mmajunkie.usatoday.com/2019/10/joanne-calderwood-john-wood-wedding-bells-ufc-title-shots|title=Off Guard: Joanne Calderwood and John Wood on wedding bells and title shots|date=October 30, 2019|author=Simon Head|publisher=mmajunkie.com}}</ref><ref>{{cite web|url= https://twitter.com/arielhelwani/status/1459644856242950152?s=21|date=November 13, 2021|publisher=twitter.com}}</ref> She was previously engaged to her former coach James Doolan until 2015.<ref>[https://www.heraldscotland.com/sport/14542800.joanne-calderwood-pieces-ufc-career-together-setbacks/ Joanne Calderwood pieces UFC career together after setbacks] Scott Mullen, ''[[The Herald (Glasgow)|The Herald]]'' (8 June 2016)</ref>