Tromsøysund may refer to:

• Tromsøysund Municipality, a former municipality in Troms county, Norway
• Tromsøysund Church (also known as the Arctic Cathedral), a church in Tromsø Municipality in Troms county, Norway
• Tromsøysundet, a strait in Tromsø Municipality in Troms county, Norway

• FK Tromsøysund, a football club in Tromsø Municipality in Troms county, Norway
• Tromsøysund Tunnel, an undersea road tunnel in Tromsø Municipality in Troms county, Norway

This disambiguation page lists articles associated with the title Tromsøysund.
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