Katayama Shinji (born September 6, 1979) is a former sumo wrestler from Yaizu, Shizuoka, Japan.

He maintained his sekitori status with a 9-6 mark in May 2008, but a disastrous 2-13 in July meant he was demoted to makushita for the September tournament.

Unlike most sumo wrestlers, Katayama never adopted a traditional shikona, instead using his own surname as his fighting name.

He was admired for the quality of his stamps during the pre-bout rituals, known as shiko, as he was able to raise his leg straight up in the air.

Sanshō key: F=Fighting spirit; O=Outstanding performance; T=Technique     Also shown: ★=Kinboshi; P=Playoff(s) Divisions: Makuuchi — Jūryō — Makushita — Sandanme — Jonidan — Jonokuchi