Invincible class
Invincible class stands for:
- Invincible-class (battlecruiser) , ships in service with the Royal Navy between 1908 and 1921
- Invincible-class (aircraft carrier) ships in service with the Royal Navy between 1980 and 2014
- Ships under construction for the Republic of Singapore Navy, see U-Boot-Klasse_212_A # Klasse_218_SG