A turbine wheel according to at least one embodiment is a turbine wheel connected to a rotational shaft and configured to rotate about an axis and includes: a hub having a hub surface oblique to the axis in a cross-section along the axis; and a plurality of blades disposed on the hub surface. The turbine wheel includes a plurality of passages each of which is formed between two adjacent blades of the plurality of blades, and a relationship of Aen/Aave>1.01 is satisfied, where Aen is an area of a throat portion of a throat enlarged passage which is at least one of the plurality of passages, and Aave is an average area of throat portions of the plurality of passages.