Baikushev's pine (Bulgarian: Байкушевата мура) (also known as the Baikushev white fir, or the Baikushev fir) is a coniferous tree from the species Bosnian pine (Pinus heldreichii) situated in Pirin, southwestern Bulgaria. It is named after its discoverer, forest ranger Kostadin Baikushev, and is located near the Banderitsa refuge. With an approximate age of about 1,300 years, Baikushev's pine is one of the oldest trees in the world and is a contemporary of Bulgaria's founder, Khan Asparukh.