Baleira is a municipality in the Spanish province of Lugo. In 2002, 1,845 people lived in Baleira. It belongs to the comarca of Fonsagrada. The capital of the municipality is O Cádavo, a name often given by extension to the entire municipality. Its population in 2009 was 1,584 people according to the municipal register of inhabitants.
It is located on the Camino Primitivo path of the Camino de Santiago.