Undermine or Undermining can refer to:
The military practice of mining a fortification UnderMine, a roguelike indie video game Undermine (Transformers), a Transformers character Undermine (Warcraft), a fictional location in Warcraft Undermining (chess), a chess tactic in which a defensive piece is captured Social undermining, the opposite of social support A song from the American television series Nashville
See also Undermind (album), by American rock band Phish Undermind (TV series) Underminded, an American hardcore punk band Underminer, a character and antagonist from the 2004 Disney/Pixar animated film The Incredibles