Masayuki Shouji is a Japanese voice actor from Tokyo, born on April 16. He is affiliated with the talent agency Office PAC. He stands 161 cm tall and holds qualifications as a Level 1 Home Helper and in Multimedia Proficiency.

Shouji has built a career voicing a variety of supporting characters in anime television series. One of his earlier roles was Sumitori in the 2008 horror series Corpse Princess: Aka and its sequel, Corpse Princess: Kuro. He has also been part of the casts for series such as Black Butler, The Knight in the Area, and Future Card Buddyfight.

He is perhaps best known for roles in several popular sports anime. He voices Kanji Koganegawa, the tall and enthusiastic setter for Dateko High School, in the anime Haikyu!!, first appearing in the series' second season and later in Haikyu!! To The Top. Another significant recurring role is that of Kiyoshi Miyaji, a senior member of the Shutoku High basketball team, in all three seasons of Black Butler. He also played Keiji Tokiwa in the agricultural school comedy Silver Spoon and voiced贺茂雷太 in the rugby anime All Out!!.

In addition to television work, Shouji has lent his voice to animated films and video games. His film credits include the 2017 movie Kuroko's Basketball: Last Game, reprising his role as Kiyoshi Miyaji. His video game work spans several years and includes the role of Afuro Terumi in Inazuma Eleven and multiple appearances as Miyaji in various games based on the Black Butler series. He has also participated in stage performances and dubbing work for foreign films and television series.