Pinus lumholtzii, the Lumholtz's pine or pino triste ('sad pine' in Spanish), is a species of conifer in the family Pinaceae. It is endemic to northwestern Mexico. It is named after Norwegian explorer Carl Sofus Lumholtz.
This pine occurs only in the states of Chihuahua, Durango, Zacatecas, Nayarit, Jalisco, Aguascalientes (29° to 22° North latitude). It grows at 1600m-3000mm (5,200feet-10,000feetm) in elevation. It grows in warm temperate and cool climates, with summer rainfall.
Pinus lumholtzii grows to 15m-20mm (49feet-70feetm) tall.
It is on the IUCN Red List of endangered plant species in Mexico.