Categorical may refer to:

• Categorical imperative, a concept in philosophy developed by Immanuel Kant
• Categorical theory, in mathematical logic
• Morley's categoricity theorem, a mathematical theorem in model theory
• Categorical data analysis
• Categorical distribution, a probability distribution
• Categorical logic, a branch of category theory within mathematics with notable connections to theoretical computer science
• Categorical syllogism, a kind of logical argument
• Categorical proposition, a part of deductive reasoning
• Categorization
• Categorical perception
• Category theory in mathematics
  • Categorical set theory
  • Categorical probability
• Recursive categorical syntax in linguistics

• Category (disambiguation)