Best in the World (2017) was a professional wrestling pay-per-view event produced by Ring of Honor (ROH). It took place at the Lowell Memorial Auditorium in Lowell, Massachusetts on June 23, 2017. It was the eighth annual ROH Best in the World event.

Deonna Lynn Purrazzo is an American professional wrestler signed to All Elite Wrestling (AEW) since January 2024. She is best known for her tenures with Total Nonstop Action Wrestling (TNA) from 2014 to 2017 and 2020 to 2023, where she is a former three-time TNA Knockouts World Champion and a former TNA Knockouts World Tag Team Champion. She also appeared in Lucha Libre AAA Worldwide (AAA) from 2021 to 2023 and Ring of Honor (ROH) from 2015 to 2018, where she is a former AAA Reina de Reinas Champion and ROH Women's World Champion, respectively, making her a five-time professional wrestling women's world champion.