Yes. Though specifically speaking, it is now formally classified as a dwarf planet. Interestingly, the largest of Pluto’s five known moons – Charon – is half the size of Pluto itself. This meant that before its reclassification, Pluto was the smallest planet in the solar system with the proportionally largest moon.
Source: https://solarsystem.nasa.gov/planets/dwarf-planets/pluto/in-depth/