Matsudai

Matsudai may refer to:

Places

 * Matsudai, Niigata, a former town in Niigata, Japan, now merged into Tōkamachi
 * Matsudai Station, a train station in Tōkamachi, Niigata, Japan

Species

 * Acupicta bubases matsudai, a butterfly in the family Lycaenid
 * Euseboides matsudai, a beetle in the family Cerambycidae
 * Phyllonorycter matsudai, a moth of the family Gracillariidae
 * Sparganothis matsudai, a moth in the family Tortricidae

Other uses

 * Miyajima Matsudai Kisen, a Japanese ferry company