Kujō Yoritsugu (九条頼嗣?, December 17, 1239 – October 14, 1256; r. 1244–1252), also known as Fujiwara no Yoritsugu, was the fifth shogun of the Kamakura shogunate of Japan. His father was the 4th Kamakura shogun, Kujō Yoritsune and his mother was Minamoto no Yoshiko daughter of second shogun Minamoto no Yoriie and Granddaughter of First shogun Minamoto no Yoritomo.
Yoritsugu was a member of the great Fujiwara clan. The Kujō family was one of the five branches of the historically powerful Fujiwara clan of courtiers.
The years in which Yoritsugu was shogun are more specifically identified by more than one era name or nengō.