Jahron Anthony Brathwaite (born July 3, 1993), known professionally as PartyNextDoor (stylized as PARTYNEXTDOOR), is a Canadian R&B singer, record producer and songwriter.

PartyNextDoor was the first artist signed to Drake's OVO Sound record label in 2013, in a joint-venture with Warner Records. He then released his first EP self-titled PartyNextDoor later that year. He subsequently released PartyNextDoor Two and PNDColours in 2014 and PartyNextDoor 3 in 2016. He has also seen success as a songwriter, having penned "Work", which was released on Rihanna's album Anti and peaked at number-one on the Billboard Hot 100 and become one of the most successful songs of the year, along with "Wild Thoughts" which peaked at number 2 on the Billboard Hot 100.