Family name 厉 (Li 
, Lei , Lai , along with others...) , across the world, is a prevalent last name. The surname 厉 is habitual in Macao, where it is a prevalent surname, Hong Kong, and Cayman Islands (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in China, Hong Kong, and Malaysia. Very seldom, 厉 is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Lai, Lei, Li | Malaysia, Hong Kong, India, United States, China |
| 厉 | China |
| Lì | Myanmar, Italy, Vietnam, United States, China |
| Lī | China, Algeria, Tunisia, Myanmar |
| Lē | China, Algeria, Cameroon |
| Laih | Myanmar, Malaysia, Taiwan, Indonesia, United States |
| 厉仲祥 CN (b. 1159) |
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厉麟似 politician, CN (b. 1896) |
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厉声教 senior Chinese diplomat, scholar and bilingual author (1935-2017), CN (b. 1935) |
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| 厉以宁 Chinese economist, CN (b. 1930) |
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| 厉振羽 journalist, CN (b. 1950) |
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| 厉莉 Chinese politician, CN (b. 1978) |
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