| Country | Nationality |
| Laos | noun: Lao(s) or Laotian(s) adjective: Lao or Laotian |
| Latvia | noun: Latvian(s) adjective: Latvian |
| Lebanon | noun: Lebanese (singular and plural) adjective: Lebanese |
| Lesotho | noun: Mosotho (singular), Basotho (plural) adjective: Basotho |
| Liberia | noun: Liberian(s) adjective: Liberian |
| Libya | noun: Libyan(s) adjective: Libyan |
| Liechtenstein | noun: Liechtensteiner(s) adjective: Liechtenstein |
| Lithuania | noun: Lithuanian(s) adjective: Lithuanian |
| Luxembourg | noun: Luxembourger(s) adjective: Luxembourg |
| Macau | noun: Chinese adjective: Chinese |
| Macedonia | noun: Macedonian(s) adjective: Macedonian |
| Madagascar | noun: Malagasy (singular and plural) adjective: Malagasy |
| Malawi | noun: Malawian(s) adjective: Malawian |
| Malaysia | noun: Malaysian(s) adjective: Malaysian |
| Maldives | noun: Maldivian(s) adjective: Maldivian |
| Mali | noun: Malian(s) adjective: Malian |
| Malta | noun: Maltese (singular and plural) adjective: Maltese |
| Marshall Islands | noun: Marshallese (singular and plural) adjective: Marshallese |
| Mauritania | noun: Mauritanian(s) adjective: Mauritanian |
| Mauritius | noun: Mauritian(s) adjective: Mauritian |
| Mayotte | noun: Mahorais (singular and plural) adjective: Mahoran |
| Mexico | noun: Mexican(s) adjective: Mexican |