Kepler-381 is a Sun-like F-type star (about 1.20 solar masses, 6,197 K, 2.19 solar radii), 267 light-years from Earth. Kepler-381 b is a planet with 1.0 Earth radii, with an orbital period of 5.6 days, at 0.066 AU from its star, discovered in 2014 via transit. Kepler-381 c is a planet with 1.1 Earth radii, with an orbital period of 13.4 days, at 0.117 AU from its star, discovered in 2014 via transit. Kepler-381 d is a planet with 1.1 Earth radii, with an orbital period of 8.3 days, discovered in 2021 via transit.