Mirei Kiritani (桐谷 美玲, Kiritani Mirei), born Sayasa Matsuoka (松岡さや紗, Matsuoka Sayasa), is a Japanese actress, model, and news anchor. She appeared in the film Kimi ni Todoke, Usagi Drop, and Arakawa Under the Bridge. She also appeared in the drama Andō Lloyd: A.I. knows Love?, Gunshi Kanbei, Hell Teacher Nūbē, and so on. Since 2012 until 2018, she anchors the NTV's news program News Zero every Tuesday. In 2015, she played the lead role in the vampire film Koisuru Vampire and also the lead role in the Netflix original series Atelier.

Filmography