The Hamerský potok is a stream in the Czech Republic, a left tributary of the Nežárka River.

The Hamerský potok originates in the territory of Horní Dubenky in the Javořice Highlands at an elevation of 757 m (2,484 ft) and flows to Jindřichův Hradec, where it enters the Nežárka River at an elevation of 455 m (1,493 ft).

[2] The longest tributaries of the Hamerský potok are:[3] The stream flows through the municipal territories of Horní Dubenky, Jihlávka, Kaliště, Panské Dubenky, Studená, Zahrádky, Jilem, Horní Meziříčko, Strmilov, Střížovice, Blažejov, Rodvínov and Jindřichův Hradec.

[1] A significant pond is also Vajgar, located in the centre of Jindřichův Hradec near the stream's mouth.

[4] The lower course of the Hamerský potok is suitable for river tourism in autumn, when water is released from the fishpond Ratmírovský rybník.