The Diolite Kinen (in Japanese: ダイオライト記念), is a Domestic Grade 2 horse race for four-year-olds at Funabashi Racecourse.

The first edition of the race took place on March 15, 1956.

[1] The race has been held in March since its inception.

[1] The race is named after the racehorse, Diolite.

Winners since 2015 include:[1] Past winners include:[1][5]