Dal 2012 al 2019 ha avuto una relazione con il collega [[Evan Peters]].<ref>{{cita web|lingua=en|autore=Maeve McDermott|url=https://eu.usatoday.com/story/life/entertainthis/2019/03/21/emma-roberts-spotted-garrett-hedlund-following-evan-peters-split/3231647002/|titolo='American Horror Story' co-stars Emma Roberts, Evan Peters end engagement, reports say|data=2019-03-21}}</ref> Dal 2019 al 2022 è stata legata al collega [[Garrett Hedlund]],<ref>{{cita web|lingua=en|autore=Glenn Garner|autore2=Melody Chiu|url=https://people.com/movies/emma-roberts-garrett-hedlund-split-trying-their-best-coparent-baby-rhodes-source/|titolo=Emma Roberts and Garrett Hedlund Split, 'Trying Their Best' to Co-Parent Baby Rhodes: Sources|data=2022-01-21}}</ref> da cui ha avuto un figlio nel 2020.<ref>{{cita web|lingua=en|autore=Starr Bowenbank|url=https://www.cosmopolitan.com/entertainment/celebs/a35202545/emma-roberts-first-picture-garrett-hedlund-son-rhodes/|titolo=Emma Roberts Just Shared the First Picture of Her and Garrett Hedlund's Son, Rhodes|data=2021-01-13}}</ref>
