TOI-5788 is a Sun-like G-type star (about 0.87 solar masses, 5,615 K, 0.87 solar radii), 97.6 light-years from Earth. TOI-5788 b is a 3.7-Earth-mass planet, with an orbital period of 6.3 days, at 0.064 AU from its star, and an equilibrium temperature near 910 K, on an eccentric orbit (e ≈ 0.06), discovered in 2026 via transit. TOI-5788 c is a 6.4-Earth-mass planet, with an orbital period of 16.2 days, at 0.120 AU from its star, and an equilibrium temperature near 667 K, discovered in 2026 via transit.