MWW

MWW may refer to:
 * The Mann-Whitney-Wilcoxon test for statistical significance
 * Marquis Who's Who, a publisher of directories with short biographies of influential persons
 * The White Hmong language (SIL code MWW)
 * Milky Way Wishes, a subgame in the video game Kirby Super Star
 * Missing white woman, or "Married White Woman"
 * Moment magnitude scale for earthquakes
 * Monster Worldwide, a website operating company (NYSE ticker symbol MWW)
 * .MWW, a file format for Music Works, a music software program
 * MWW (company), a public relations firm
 * Myanmar Wide Web, a tongue-in-cheek reference to restricted Internet in Burma