• Protected areas of Northern Ireland by county (6 C)

A

• Areas of Special Scientific Interest in Northern Ireland (2 C, 6 P)

C

• Caves of Northern Ireland (7 P)

G

• Geoparks in Northern Ireland (1 P)

M

• Marine reserves of Northern Ireland (1 P)

N

• Nature centres in Northern Ireland (2 P)
• Nature reserves in Northern Ireland (2 C, 11 P)

P

• Parks in Northern Ireland (13 C, 5 P)

R

• Ramsar sites in Northern Ireland (1 C, 14 P)
• Register of Parks, Gardens and Demesnes of Special Historic Interest (23 P)

S

• Special Areas of Conservation in Northern Ireland (1 C, 7 P)

W

• World Heritage Sites in Northern Ireland (2 P)
• Protected wrecks of Northern Ireland (2 P)