Katsuhiko Nagata (Japanese: 永田克彦, Nagata Katsuhiko, born on October 31, 1973, in Tōgane, Chiba, Japan) is a Japanese wrestler and mixed martial arts, who won the silver medal in the 69 kg Greco-Roman wrestling event at the 2000 Summer Olympics.

[1] He is also the brother of professional wrestler Yuji Nagata, who works for New Japan Pro-Wrestling (NJPW).