A Mexican hat is a sombrero – a broad-brimmed and high-crowned hat.

Mexican hat may also refer to:

  • Mexican Hat, Utah, a census-designated place in Utah, USA and/or the balanced rock nearby that resembles an inverted sombrero
  • Ratibida columnifera or upright prairie coneflower, a species of wildflower that is native to much of North America
  • Kalanchoe daigremontiana or Mexican hat plant, a succulent plant native to Madagascar

See also

  • The Jarabe tapatío, the "Mexican Hat Dance"
  • The Mexican hat potential, a prescription for the potential energy that leads to the Higgs mechanism
  • The Mexican hat wavelet, a continuous wavelet function
  • Sombrero (disambiguation)