Coherence or coherent can refer to:

In psychology

• Coherence (cognitive science), a property of mental/cognitive states
• Coherence (linguistics), what makes a text semantically meaningful

In physics

• Coherence (physics), a property of waves
  • Quantum coherence
• Coherence (music theory), a synonym for strict Rothenberg propriety in diatonic set theory

In philosophy

• Coherentism, an epistemological theory
• Coherence theory of truth

In mathematics:

• Coherence (statistics)
• Coherence (philosophical gambling strategy), a concept in Bayesian statistics