The Maleshevo Mountain (Bulgarian: Малешевска планина, Maleshevska planina) or Maleševo Mountain (Macedonian: Малешевски Планини, Maleševski Planini), is situated in eastern Macedonia. It is the third of the five mountains of the Osogovo-Belasitsa mountain group, known also as the Western Border Mountains. The highest point is Ilyov Vrah (1,803 m).
The mountain represents an elongated structure with area of 497 km2. It has rich wildlife which includes many Mediterranean flora and fauna species. There are two nature reserves to protect the varied wildlife.