ARIEL 5
| Launched | 14 October 1974 | 
| Flight ended | 13 March 1980 | 
| Status | Decayed | 
| Launch site | San Marco Launch Platform, Indian Ocean (Kenya) | 
| Owner | United Kingdom | 
| NORAD ID | 7471 | 
| COSPAR ID | 1974-077A | 
| Alternative names | UK 5 | 
| Observing | 
Launched alongside
SCOUT B-1 R/B