word | | Nationality |
| adjective | Liechtenstein | noun: Liechtensteiner(s) adjective: Liechtenstein |
| adjective | Lithuania | noun: Lithuanian(s) adjective: Lithuanian |
| adjective | Luxembourg | noun: Luxembourger(s) adjective: Luxembourg |
| adjective | Macau | noun: Chinese adjective: Chinese |
| adjective | Macedonia | noun: Macedonian(s) adjective: Macedonian |
| adjective | Madagascar | noun: Malagasy (singular and plural) adjective: Malagasy |
| adjective | Malawi | noun: Malawian(s) adjective: Malawian |
| adjective | Malaysia | noun: Malaysian(s) adjective: Malaysian |
| adjective | Maldives | noun: Maldivian(s) adjective: Maldivian |
| adjective | Mali | noun: Malian(s) adjective: Malian |
| adjective | Malta | noun: Maltese (singular and plural) adjective: Maltese |
| adjective | Marshall Islands | noun: Marshallese (singular and plural) adjective: Marshallese |
| adjective | Mauritania | noun: Mauritanian(s) adjective: Mauritanian |
| adjective | Mauritius | noun: Mauritian(s) adjective: Mauritian |
| adjective | Mayotte | noun: Mahorais (singular and plural) adjective: Mahoran |
| adjective | Mexico | noun: Mexican(s) adjective: Mexican |
| adjective | Micronesia, Federated States of | noun: Micronesian(s) adjective: Micronesian; Chuukese, Kosraen(s), Pohnpeian(s), Yapese |
| adjective | Moldova | noun: Moldovan(s) adjective: Moldovan |