Mr. Niebla (February 22, 1973 – December 23, 2019) was a Mexican luchador enmascarado. He worked for Consejo Mundial de Lucha Libre (CMLL). His real name is not known as is traditional in lucha libre for masked wrestlers. "Niebla" is Spanish for "fog". Mr. Niebla worked for CMLL from the early 1990s until 2007, and again from 2008 until his death in 2019.