相葉雅紀 (Aiba Masaki, born December 24 1982 in Chiba) often called Aiba-chan, is a Japanese idol, singer, television personality and radio host. He is a member of the j-pop group 嵐 (Arashi) alongside 松本潤 (Matsumoto Jun), 二宮和也 (Ninomiya Kazunari), 大野智 (Ohno Satoshi) and 櫻井翔 (Sakurai Sho) who are under the management of Johnny's Entertainment. Aiba joined Johnny's Entertainment in August 1996 for the sole reason of wanting to play basketball with SMAP, when he asked his female classmates how he could play basketball with them and they told him to send an application to join Johnny's Entertainment.

Read more about 相葉雅紀 on Last.fm.