The yellow-billed kingfisher (Syma torotoro) is a medium-sized tree kingfisher.
The yellow-billed kingfisher is 20 cm long, with a wingspan of 29 cm, and it weighs 30–50 g. Its orange colouring and yellow bill are distinctive; it has an orange head and neck with a black nape patch and white throat. Adult females also have a black crown patch. The upper mantle is blackish grading to olive green on the back, blue-green on rump and with a blue tail. The upperwing is dull green-blue with dark olive-black flight feathers. The underparts are pale orange-grey. The bill is orange-yellow in adults, dark grey in juveniles.