Conditional (if then) may refer to:

• Causal conditional, if X then Y, where X is a cause of Y
• Conditional probability, the probability of an event A given that another event B

• Conditional proof, in logic: a proof that asserts a conditional, and proves that the antecedent leads to the consequent

• Material conditional, in propositional calculus, or logical calculus in mathematics
• Relevance conditional, in relevance logic
• Conditional (computer programming), a statement or expression in computer programming languages
• A conditional expression in computer programming languages such as ?:
• Conditions in a contract

• Conditional mood (or conditional tense), a verb form in many languages
• Conditional sentence, a sentence type used to refer to hypothetical situations and their consequences
  • Indicative conditional, a conditional sentence expressing "if A then B" in a natural language
  • Counterfactual conditional, a conditional sentence indicating what would be the case if its antecedent were true

• "Conditional" (Laura Mvula song)
• Conditional jockey, an apprentice jockey in British or Irish National Hunt racing
• Conditional short-circuit current
• Conditional Value-at-Risk

• Condition (disambiguation)
• Conditional statement (disambiguation)