word | | Nationality |
| Leonean | Sierra Leone | noun: Sierra Leonean(s) adjective: Sierra Leonean |
| Liberian | Liberia | noun: Liberian(s) adjective: Liberian |
| Libyan | Libya | noun: Libyan(s) adjective: Libyan |
| Liechtenstein | Liechtenstein | noun: Liechtensteiner(s) adjective: Liechtenstein |
| Liechtensteiner | Liechtenstein | noun: Liechtensteiner(s) adjective: Liechtenstein |
| Lithuanian | Lithuania | noun: Lithuanian(s) adjective: Lithuanian |
| locally | Saint Helena | noun: Saint Helenian(s) adjective: Saint Helenian note: referred to locally as "Saints" |
| Lucian | Saint Lucia | noun: Saint Lucian(s) adjective: Saint Lucian |
| Luxembourg | Luxembourg | noun: Luxembourger(s) adjective: Luxembourg |
| Luxembourger | Luxembourg | noun: Luxembourger(s) adjective: Luxembourg |
| Macedonian | Macedonia | noun: Macedonian(s) adjective: Macedonian |
| Malagasy | Madagascar | noun: Malagasy (singular and plural) adjective: Malagasy |
| Malawian | Malawi | noun: Malawian(s) adjective: Malawian |
| Malaysian | Malaysia | noun: Malaysian(s) adjective: Malaysian |
| Maldivian | Maldives | noun: Maldivian(s) adjective: Maldivian |
| Malian | Mali | noun: Malian(s) adjective: Malian |