Family name Howorth (Howorth 
) , across the world, is quite a rare surname. The cognomen Howorth is characteristic of Isle of Man, where it is quite a rare surname, the United Kingdom, and New Zealand, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in the United Kingdom, the United States, and Australia.
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| Howorth | United Kingdom, Australia, United States, Canada, New Zealand |
| henry howorth British Member of Parliament (died 1783) (b. 1745) |
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henry hoyle howorth British politician and historian (1842-1923), PT (b. 1842) |
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| george howorth (1805–1864) (b. 1805) |
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| margaret howorth (1808-1873) (b. 1808) |
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| henry howorth New Zealand politician, NZ (b. 1834) |
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muriel howorth Nuclear enthusiast, founder of Atomic Gardening Society, GB (b. 1886) |
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| john stott howorth PT (b. 1829) |
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| daniel fowler howorth British antiquarian (1843-1919) (b. 1843) |
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lucy somerville howorth lawyer, feminist, politician (1895-1997), US (b. 1895) |
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| júlio howorth Portuguese writer (1853-1905), PT (b. 1853) |
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| charles howorth New Zealand artist (1856-1945), NZ (b. 1856) |
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| rupert howorth British barrister and senior civil servant, GB (b. 1880) |
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kenneth howorth British police officer (1932-1981), GB (b. 1932) |
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| george eric howorth George Eric Howorth (1889-1954) 1954 Obituary [1] (b. 1889) |
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| emma louise howorth American artist, US (b. 1890) |
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