Damm may refer to:

• Damm (Dummerstorf), a village in the municipality of Dummerstorf, district of Rostock, Mecklenburg-Vorpommern, Germany.
• Damm, Parchim, a municipality in the district of Ludwigslust-Parchim, Mecklenburg-Vorpommern, Germany.
• Damm, a district of the municipality of Schermbeck, in North Rhine-Westphalia, Germany
• S.A. Damm, a Spanish brewery.
• N. W. Damm & Søn, a Norwegian publishing house.
• Damm or Altdamm, a former town at the lower Oder river now Dabie (neighborhood of Szczecin) (Stettin)

Mothers Against Drunk Driving (MADD) is a non-profit organization in the United States that seeks to stop drunk driving, support those affected by drunk driving, prevent underage drinking, and overall push for stricter alcohol policy. The Irving, Texas–based organization was founded in 1980 in California by Candice Lightner after her 13-year-old daughter was killed by a drunk driver.