The tool-less hard disk carrier is provided and configured to accommodate a hard disk. The hard disk has a first screw hole and a second screw hole respectively located at two sides of the hard disk. The tool-less hard disk carrier includes a housing, a moving part, a first pin, and a second pin. The housing includes a first sidewall and a bottom board connected to each other. The moving part has a sliding portion and an abutting portion connected to each other. The sliding portion is slidably engaged with the bottom board. The abutting portion is bent relative to the sliding portion to face the first sidewall. The abutting portion and the housing define an accommodating space, and the accommodating space is configured to accommodate the hard disk.