HD 15906 is an orange K-type dwarf (about 0.79 solar masses, 4,757 K, 0.76 solar radii), 45.6 light-years from Earth. HD 15906 b is a planet with 2.2 Earth radii, with an orbital period of 10.9 days, at 0.090 AU from its star, and an equilibrium temperature near 668 K, on an eccentric orbit (e ≈ 0.11), discovered in 2023 via transit. HD 15906 c is a planet with 2.9 Earth radii, with an orbital period of 21.6 days, at 0.141 AU from its star, and an equilibrium temperature near 532 K, discovered in 2023 via transit.