Tantum or Lomba Tantum is a small settlement located in the southwest corner of the island Brava, Cape Verde.

It is one of the southernmost settlements in Cape Verde, together with nearby Cachaço.

It sits at an elevation of 228 metres (748 ft).

It is situated in the mountains near the south coast, 6 km (3.7 mi) southwest of the island capital Nova Sintra.

This Cape Verdean location article is a stub.