TOI-1798 is an orange K-type dwarf (about 0.87 solar masses, 5,165 K, 0.78 solar radii), 113 light-years from Earth. TOI-1798.02 is a planet with 1.5 Earth radii, with an orbital period of 10.5 hours, at 0.011 AU from its star, discovered in 2024 via transit. TOI-1798.01 is a planet with 2.4 Earth radii, with an orbital period of 8.0 days, at 0.075 AU from its star, discovered in 2024 via transit. The planet was found when it crossed the face of its star, producing periodic dips in brightness that reveal its size and orbital period to space-based photometry.