Languages written with Ogham script
| Language | Writing System Code | Writing System Status | SLDR/CLDR locale | Regional variants |
|---|---|---|---|---|
| Breton | br-Ogam | in use | br-Ogam-001 | |
| Cornish | kw-Ogam | in use | kw-Ogam-001 | |
| Irish | ga-Ogam | obsolete | ga-Ogam-IE (Ireland) | |
| Manx | gv-Ogam | in use | gv-Ogam-001 | |
| Old Irish (to 900) | sga-Ogam | in use | sga-Ogam-IE (Ireland) | |
| Pictish | xpi-Ogam | in use | xpi-Ogam-GB (United Kingdom) | |
| Primitive Irish | pgl-Ogam | obsolete | pgl-Ogam-IE (Ireland) | |
| Scottish Gaelic | gd-Ogam | in use | gd-Ogam-001 | |
| Welsh | cy-Ogam | in use | cy-Ogam-001 |