This list of tunnels in Belgium includes any road or waterway tunnel in Belgium. For railway, cycling and pedestrian tunnels, it includes only major (named) tunnels.

• Arts-Loi/Kunst-Wet Tunnel, R20
• Bailli/Baljuw Tunnel, N24
• Basilique Nord/Basiliek Noord Tunnel, R20
• Basilique Sud/Basiliek Zuid Tunnel, R20
• Belliard Tunnel, N23
• Boileau Tunnel, R21
• Botanique/Kruidtuin Tunnel, R20
• Cinquantenaire/Jubelpark Tunnel, N3
• Delta Tunnel, N210
• Georges-Henri Tunnel, R21
• Kortenberg Tunnel, N23
• Annie Cordy Tunnel, R20
• Loi/Wet Tunnel, N3
• Louise/Louiza Tunnel, R20
• Madou Tunnel, R20
• Montgomery Tunnel, R21
• Porte de Hal/Hallepoort Tunnel, R20
• Porte de Namur/Naamsepoort Tunnel, R20
• Reyers Tunnel, R21-N23-A3
• Rogier Tunnel, R20
• Stéphanie/Stefania Tunnel, N24
• Tervueren/Tervuren Tunnel, N3
• Trône/Troontunnel, R20
• Van Praet Tunnel, R21
• Vleurgat Tunnel, N24
• Woluwe Tunnel, R22

• Waaslandtunnel under the Scheldt, Antwerp
• Kennedy Tunnel, E17 under the Scheldt, Antwerp
• Liefkenshoek Tunnel, R2, Antwerp
• Craeybeckx Tunnel, E19, Antwerp
• Frans Tijsmans Tunnel, R2, Antwerp
• Bevrijdingstunnel, A12, Antwerp
• Jan de Vos Tunnel, A12, Antwerp
• Rupel Tunnel, A12, Boom
• Beveren Tunnel, R2, Beveren
• Ringlaan Tunnel, R31, Ostend
• Tunnel 't Zand, R30, Bruges
• Tunnel Wevelgem, E403, Wevelgem
• Sint-Lievenstunnel, R40, Ghent
• Zelzatetunnel, E34 under Ghent–Terneuzen Canal, Zelzate

• Tunnel du Bois d'Houtaing, E429
• Tunnel de Rebaix, E429
• Tunnel de Couillet, R3, Charleroi
• Tunnel d'Hublinbu, R3, Charleroi
• Tunnel de Cointe, A602, Liège
• Tunnel de Kinkempois, A602, Liège
• Tunnel des Grosses Battes, A602, Liège

• Sint-Annatunnel (also Voetgangerstunnel), under the Scheldt, Antwerp
• Kennedy Cycling Tunnel, part of bicycle highway FR10 (Ringfietspad), under the Scheldt, Antwerp

• Kennedy Rail Tunnel, Antwerp
• Soumagne Tunnel, on the HSL 3 line, east of Liège
• Halle Tunnel, on the HSL 1 in Halle

• List of tunnels by location