| State | Lebanon |
| Treaty | Outer Space Treaty |
| Action Type | Ratification |
| Depositary | Government of the United Kingdom |
| Date | 31 March 1969 |
| Other Actions | Signature on deposit with London — 23 February 1967 Signature on deposit with Moscow — 23 February 1967 Ratification on deposit with Moscow — 31 March 1969 Signature on deposit with Washington — 23 February 1967 Ratification on deposit with Washington — 30 June 1969 |