A multi-field zone proximity sensor (10) for measuring a distance (1) of an object (22) from the multi-field zone proximity sensor (10) The multi-field zone proximity sensor (10) has a housing (12) that includes an antenna structure (14) that is arranged in or close to a side (19) of the housing (12). The antenna structure (14) is set up for emitting an electromagnetic transmission free space wave (20) and for receiving an electromagnetic reflection wave (24) reflected on the object (22). The multi-field zone proximity sensor (10) has sensor electronics (16) which are set up to determine the distance (l) of the object (22) from the multi-field zone proximity sensor (10) based on the received reflection wave (24).