The name "Underwater Centre" may mean:-

• The British Underwater Centre near Dartmouth, Devon (now closed down)
• Bovisand Underwater Centre Ltd: was at Fort Bovisand (now closed down)

• IISER TVM
• IIS Express
• IIS Faramarz
• "I" Is for Innocent
• "I" Is for Insignificant
• I Is for insignificant
• I Is for Insignificant
• I Is For Insignificant
• I is for insignificant
• 'I' Is for Insignificant
• IIS Media Pack
• IISO flash shoe
• IISR (disambiguation)
• IIS Rostam
• IIS Saam
• IIS Sohrab
• IISST
• IIST
• Ii Station
• IIST, Kerala
• IIST Kerala
• IIST Thiruvananthapuram
• IIST, Trivandrum
• IIST Trivandrum
• IIS Zaal