A tray table with an articulating support for portable electronic devices provides adjustable support for use of a portable electronic device at passenger seats of various forms of transportation, regardless of whether the tray table is in a stowed or service position. The articulating support comprises a plurality of rotating joints and rotating sections which combine to provide a plurality of refracted and extended positions, allowing a passenger to position his or her portable electronic device as desired. The articulating support secures the portable electronic device to prevent unwanted movement of the same, while also preserving unobstructed use of the top surface of the tray table when desired.