Repanidi (Greek: Ρεπανίδι) is a village and a community in the northeast of the island of Lemnos, Greece.

Its elevation is 30 m. The village was first mentioned as Repanidion in 1285 in a census record of the monastery Pteris, that was located near Tsimandria, southwestern Lemnos.

Belon wrote in 1548 that the village was situated near a port known as Ekato Kefalon (Εκατό Κεφαλών = "The Hundred Heads").

In 1931 a new school building was built with funding from the Repanidioiti Council of the USA "Agios Georgios.

After World War II, due to immigration the village population declined until 302 in 1991.

He wrote a book Paramythia gia tin Aithaleia kai alles istories, which is inspired by Lemnos.

Agios Ypatios (also known as Anypatis or Aypatis) is an old settlement 1.5 km northeast of Repanidi.

Turkish land owners had their residences in Agios Ypatios, and built a school and a mosque in the village.

The population grew, and also Christians settled there and built the church of Saint Athanasius, which still exists today.

In the 1860s the Christian population moved away to the new villages Plaka and Panagia, and also to Kontopouli, Romanou and Repanidi.

In the first centuries of Ottoman rule Kotsinos remained a flourishing trading port, but it declined after it was sacked by the Venetians in 1656.