A turbopump (1) includes: a main shaft (4) rotatably supported; a pump section (2) including an impeller (8) attached to one end of the main shaft (4) ; and a turbine section (3) including: a disk (10) attached to the other end of the main shaft (4), rotor blades (11) provided on an outer periphery of the disk (10), and nozzles (12) provided inclined to an entrance plane (15) of a blade cascade constituted of the rotor blades, the nozzles (12) having axisymmetric cross sections and arranged in at least two rows along a circumferential direction of the main shaft (4) in a plane orthogonal to the main shaft (4).
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