Family name Loch (Log 
, Loch 
, Лох 
) , around the globe, is a common cognomen. The cognomen Loch is habitual in Germany, where it is quite a rare surname, Norway, and Guatemala. Not in comparison with a country's population, it most frequently occurs in Germany, Brazil, and the United States. Also, Loch is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Log | Brazil, Myanmar, India, United States, Germany |
| Loch | Brazil, Poland, India, United States, Germany |
| Лох | Russia, Kazakhstan, Ukraine |
| 洛赫 | China |
| james loch (1650-1690) (b. 1650) |
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james loch British politician (1780-1855) (b. 1780) |
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| george loch (1749-1788) (b. 1749) |
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henry loch, 1st baron loch British colonial governor, GB (b. 1827) |
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| john loch British politician (1781-1868) (b. 1781) |
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| francis erskine loch British Royal Navy officer (1788-1868), GB (b. 1788) |
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| george loch British politician (b. 1811) |
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| granville gower loch British Naval officer (1813-1853) (b. 1813) |
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| valentin loch German theologian, DE (b. 1813) |
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| robert loch (1815-1891) (b. 1815) |
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eduard loch German historian of student, DE (b. 1868) |
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| charles loch Scottish cricketer and Anglican priest, GB (b. 1825) |
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| francis adam ellis loch (1827-1891) (b. 1827) |
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| jane garden loch (1830-1891) (b. 1830) |
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herbert loch German General and Knight's Cross recipient, DE (b. 1886) |
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