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.
Road tunnels
Brussels
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
Flanders
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
Wallonia
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
Cycling and pedestrian tunnels
Sint-Annatunnel (also Voetgangerstunnel), under the Scheldt, Antwerp Kennedy Cycling Tunnel, part of bicycle highway FR10 (Ringfietspad), under the Scheldt, Antwerp
Railway tunnels Kennedy Rail Tunnel, Antwerp Soumagne Tunnel, on the HSL 3 line, east of Liège Halle Tunnel, on the HSL 1 in Halle
See also List of tunnels by location