A noodle strand cutting apparatus (10) for cutting gelatinized noodle strands (N) used in manufacturing of instant noodles is provided with: a conveyer (2) for conveying at least one bundle (B) of the gelatinized noodle strands (N); and a rotary cutter (1) arranged above the conveyer (2) and intended to cut, to a predetermined length, the at least one bundle (B) of the gelatinized noodle strands (N) conveyed on the conveyer (2) in a substantially horizontal direction. The rotary cutter (19 is provided with a plurality of blades (11) that extend side by side with a rotational axis in radial directions around the rotational axis (13), the plurality of blades (11) being spaced from each other in a circumferential direction by predetermined intervals.
