AmigaOS 是适用于 Amiga 和 and AmigaOne PC的个人操作系统。. 1985年，其最开始由Commodore 国际开发，并随 Amiga 1000 的上市而发行。 早期版本的 AmigaOS 需要运行于摩托罗拉68000系列的16位或32位处理器。后来的版本则由Haage & Partner（AmigaOS 3.5 和 3.9）开发，这之后则由Hyperion 娱乐（AmigaOS 4.0-4.1）开发。而进来的发行的 AmigaOS 4 则要求使用 PowerPC 微处理器。

AmigaOS is the proprietary native operating system of the Amiga and AmigaOne personal computers. It was developed first by Commodore International and introduced with the launch of the first Amiga, the Amiga 1000, in 1985. Early versions of AmigaOS required the Motorola 68000 series of 16-bit and 32-bit microprocessors. Later versions were developed by Haage & Partner (AmigaOS 3.5 and 3.9) and then Hyperion Entertainment (AmigaOS 4.0-4.1). A PowerPC microprocessor is required for the most recent release, AmigaOS 4.