Jacob Kai Murphy (born 24 February 1995) is an English professional footballer who plays as a right winger for Premier League club Newcastle United.

Murphy made his first-team debut for Norwich City in an FA Cup match against Fulham in January 2014.

[12] Murphy made his first Norwich City appearance in the 2014–15 season, where he provided an assist for his twin brother, Josh, to score in a 3–1 win over Crawley Town in the second round of the League Cup.

[14] Murphy made his debut for the club on 8 February 2014, when he came on as a second-half substitute for Dany N'Guessan in a 3–2 win over Port Vale.

[15] After making six appearances, Murphy returned to Norwich City after Swindon Town delayed their decision to extend his loan.

[16] On 27 March 2014, Murphy joined League Two club Southend United on loan for the remainder of the 2013–14 season.

[24] The following month, Murphy caused controversy when he posted an image on social media application Snapchat with the caption "We are going to lose... Again", which mocked the club's recent league form.

[25] Murphy issued an apology via the club's official website, admitting it was an unprofessional and foolish thing to do; however, Lee Clark vowed to investigate this matter before taking action.

[35] The last two games of the season saw Murphy score in a 1–1 draw against Swindon Town[36] and he then helped the club survive relegation when they beat Preston North End.

Murphy's parents were born in the local area and he has family members from Newcastle's neighbouring town Gateshead.

[46] In the 2024–25 Premier League season, Murphy cemented his spot in the Newcastle United starting eleven after a run of good of form, scoring three goals and providing four assists in December, leading him to be nominated for Premier League Player of the Month;[47] he then became the only right winger at the club after the sale of Miguel Almirón.

[51] In late 2014, Murphy was called up by England U20s after his brother Josh withdrew from the squad[52] and made his debut in a 3–2 win over Netherlands U20s on 14 October 2014.