The Ichijō family (一条家 Ichijō-ke) was a Japanese aristocratic kin group. The Ichijō was a branch of the Fujiwara clan.
The family was founded by Kujō Michiie's son Ichijō Sanetsune.
The Ichijō was one of five Fujiwara families from which the Sesshō and Kampaku were chosen.
The Daigo family (醍醐家 Daigo ke) was a branch of the Ichijō family, founded in the early Edo period by Ichijō Akiyoshi's son Ichijō Fuyumoto.
The following is the list of the heads of Tosa-Ichijō clan (土佐一条氏).