Polarity may refer to:

• Chemical polarity, a concept in chemistry which describes how equally bonding electrons are shared between atoms
• Polarity (physics), a physical alignment of atoms
• Grammatical polarity, the distinction of affirmative and negative
• Polarity item, the sensitiveness of some expression to negative or affirmative contexts (linguistics)
• Polarity in international relations, a description of the distribution of power within the international system
• Polarity therapy, a form of alternative medicine developed by Randolph Stone
• Orthogonal polarity, a symmetric bilinear form in algebraic geometry
• Polarity (game), a board game
• Polarity (album), the second album of The Wedding

See also:

• Polarization (disambiguation)