Intermediate state may refer to:

Science

• an intermediate chemical state
• Virtual state, a very short-lived, unobservable quantum state
• Meissner effect, the expulsion of a magnetic field from a superconductor during its transition to the superconducting state
• Mesophase, is a state of matter between solid and liquid

Religion

• Intermediate state (Christianity), a person's existence between death and the universal resurrection, in some forms of Christianity
• Bardo, an intermediate state between death and rebirth in some schools of Buddhism
• Gandharva, in Buddhism, being in the intermediate state between death and rebirth
• Araf, an intermediate state between Heaven and Hell for those who are balanced in their good works and sins
• Barzakh, in Islam, a phase between an individual's death and their resurrection
• Purgatory, an intermediate state after physical death for expiatory purification, in some Christian denominations and Islam