• Lists of tunnels‎ (2 C, 46 P)
• Tunnels by city‎ (10 C)
• Tunnels by continent‎ (10 C)
• Tunnels by country‎ (79 C)
• Tunnels by heritage register‎ (2 C)

.

• Tunnels by century of completion‎ (6 C)
• Tunnels by decade of completion‎ (28 C)
• Tunnels by year of completion‎ (201 C)

*

• Cancelled tunnels‎ (1 C, 1 P)
• Proposed tunnels‎ (6 C)

+

• Tunnel construction‎ (1 C, 26 P)
• Tunnel disasters‎ (2 C, 13 P)
• Tunnelling organizations‎ (1 C, 6 P)
• Wikipedia categories named after tunnels‎ (7 C)

B

• Bridge–tunnels‎ (3 C, 2 P)

C

• Canal tunnels‎ (3 C, 2 P)
• Cycling tunnels‎ (3 C, 5 P)

D

• Disused tunnels‎ (2 C, 5 P)
• Drainage tunnels‎ (1 C, 9 P)

I

• Immersed tube tunnels‎ (5 C, 1 P)
• International tunnels‎ (1 C, 10 P)

M

• Mountain tunnels‎ (2 C)

P

• Pedestrian tunnels‎ (5 C, 14 P)

R

• Railway tunnels‎ (8 C, 6 P)
• Road tunnels‎ (4 C, 34 P)

U

• Undersea tunnels‎ (2 C, 1 P)

W

• Water tunnels‎ (4 C, 19 P)
• Wind tunnels‎ (44 P)

Σ

• Tunnel stubs‎ (2 C, 66 P)

• Tunnel

C

• Cattle creep
• CESC Tunnel
• Culvert

D

• Deep level underground
• Disney utilidor system

E

• Eppenberg Tunnel
• Erdstall
• Escape tunnel

I

• Invert level

L

• List of rail tunnels in Kerala

P

• Pinera Tunnel
• Piston effect

S

• Smuggling tunnel
• Submerged floating tunnel

T

• Tree tunnel
• Tunnel network
• Tunnel rock recycling
• Tunnel tree
• Tunnels in popular culture

U

• Utility tunnel

V

• Ventilation shaft

W

• Western Wall Tunnel
• Wildlife crossing