Ligation

Ligation may refer to:


 * Ligation (molecular biology), the covalent linking of two ends of DNA or RNA molecules
 * Chemical ligation, the chemoselective condensation of unprotected peptides
 * In medicine, the making of a ligature (tie)
 * Tubal ligation, a method of female sterilization
 * Rubber band ligation, a treatment for hemorrhoids
 * In coordination chemistry, making a bond between a ligand and a Lewis acid
 * In orthodontics, a method of attaching the archwires to the brackets
 * KAHA Ligation
 * Ligation-independent cloning
 * Typographic ligature forming

Ligacja