多功能事务机（英语：MFP, Multi Function Product/ Printer/ Peripheral），又称复合机，是一种办公室自动化的设备，集成了下列机器的功能在一部设备上：

An MFP (Multi-Function Product/ Printer/ Peripheral), multi-functional, all-in-one (AIO), or Multi-Function Device (MFD), is an office machine which incorporates the functionality of multiple devices in one, so as to have a smaller footprint in a home or small business setting (the SOHO market segment), or to provide centralized document management/distribution/production in a large-office setting. A typical MFP may act as a combination of some or all of the following devices: