Irreversible may refer to:

• Irreversible process, in thermodynamics, a process that is not reversible
• Irréversible, a 2002 film
• Irréversible (soundtrack), soundtrack to the film Irréversible
• An album recorded by hip-hop artist Grieves

• Mamba (candy)
• Mamba Chisoni
• Mamba (comics)
• Mamba (disambiguation)
• Mambae
• Mamba (film)
• Mambahi
• Mambah-Kaba District
• Mambah Kaba District
• Mambai
• Mambai language
• Mambalam
• Mamba missile
• Mambang Di Awan
• Mambaram, Kannur
• Mambare River
• Mambari River
• Mamba (rollercoaster)
• Mamba Township
• Mamba toxin
• Mambau
• Mambazo
• Mambaí
• Mambeca
• Mambere-Kadei