Kazusa-Mitsumata Station (上総三又駅, Kazusa-Mitsumata-eki) is a railway station on the Kominato Line in Ichihara, Chiba Prefecture, Japan, operated by the private railway operator Kominato Railway.

Kazusa-Mitsumata Station is served by the Kominato Line, and lies 7.2 km from the western terminus of the line at Goi Station.

Kazusa-Mitsumata Station has one side platform serving a single bidirectional line.

Kazusa-Mitsumata Station was opened on November 20, 1932.

[1] The original station building burned down in February 2001 and was replaced with a wooden structure.