The Flekkerøy Tunnel (Norwegian: Flekkerøytunnelen) is a subsea road tunnel on the county road 457 in the municipality of Kristiansand in Agder county, Norway.

The tunnel runs under the strait between Kroodden on the mainland and the island of Flekkerøya.

It replaced a ferry connection between Møvik in mainland Kristiansand and Lindebøkilen on the island of Flekkerøy.

[6] After complaints during the first few years after its opening of people driving too fast, the police intensified speed traps throughout the tunnel.

They also filed 22 police reports and 30 driver's licenses were confiscated.