Masahiro Morioka (森岡 正博, Morioka Masahiro, born September 25, 1958) is a Japanese philosopher, who has contributed to the fields of philosophy of life, bioethics, gender studies, media theory, and civilization studies. He is a professor of philosophy and ethics at Waseda University, Japan. He coined the term "life studies" for an integrated approach to the issues of life, death, and nature in contemporary society. Since 2006 he has proposed a new philosophical discipline he calls "philosophy of life". He has published numerous academic books and articles, mainly in Japanese, and has regularly contributed commentaries and book reviews to major Japanese newspapers and magazines.