A heatseeker is a type of missile guided by infrared homing.
Heatseeker may also refer to: "Heatseeker" (song), a song by AC/DC "Heat Seeker" (song), a song by Dreamers (band) with Grandson Heatseeker (video game), a 2007 jet fighter game One of the Top Heatseekers, Billboard song and album charts for new and developing acts