Kazuhiro Koshi (? ??, Koshi Kazuhiro, born December 23, 1964) is a Japanese skeleton racer who has competed since 1991.
Competing in three Winter Olympics, he earned his best finish of eighth in the men's skeleton event at Salt Lake City in 2002.
He was the oldest member of the Japanese team at the 2010 Winter Olympics and, because of this, was referred to in media reports as, "the hope of the middle class."