Masaharu Fukuyama (福山雅治, Fukuyama Masaharu, born February 6, 1969) is a Japanese musician, singer-songwriter, multi-instrumentalist and actor from Nagasaki. He is represented by the agency Amuse, Inc.. He debuted in 1990 with the single "Tsuioku no Ame no Naka".
While he can also be seen in Japanese television drama, Fukuyama is best known for his singing career. His 1992 breakout single "Good night" gained a wide audience because of its tie-in with a TV drama. In 1993, he made his first appearance in Kōhaku Uta Gassen, on which only successful J-pop and enka artists are invited to perform. Propelled by the success of Hitotsu Yane no Shita, in which he played Chinichan, the second older brother in the Kashiwagi family, he had his first million-selling single, "It's Only Love/Sorry Baby", in 1994. His 1995 single "Hello" became the second highest selling single that year.
He took a hiatus in 1996, stopping all his entertainment activities except his radio shows. He returned to the entertainment scene in 1998, and his first single after two years hiatus, "Heart/You", landed at number 3 on Oricon chart and sold 569,000 copies in total. Encouraged by this success, he begins his Daikanshasai (Thanksgiving) series of concerts, to show his appreciation from the support he obtained from his fans.
"Hey!" is the sixteenth single released by Japanese artist Masaharu Fukuyama. It reached number-one on the Oricon Charts with 187,140 sold in its first week. It was released on October 12, 2000.