Mynyddbach (Welsh: Mynydd-bach) is the name of an electoral ward, a community and a suburb in the City and County of Swansea, Wales. It does not have its own community council. Mynydd-Bach is bounded by the wards of Morriston and Landore to the east, Cwmbwrla to the south, and Llangyfelach and Penderry to the west. The electoral ward consists of some or all of the following areas: Clase, Clasemont, Mynydd-Bach, Park View Estate, Penfillia Estate, Treboeth, Tirdeunaw, Pinewood, Mynydd Garnlywd and Bryn Rock, in the parliamentary constituency of Swansea East.