Last name Sibly (Sibly 
) , throughout the world, is a rare surname. The family name Sibly is habitual in Australia, where it is quite a rare surname, Sri Lanka, where it is a rare surname, and Bangladesh. Likewise, Sibly is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Sibly | Indonesia, Sri Lanka, Australia, United States, Bangladesh |
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ebenezer sibly British astrologer and occultist (b. 1751) |
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| manoah sibly English Swedenborgian minister and bank official (b. 1757) |
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| john sibly British Royal Navy officer, lieutenant in 1825 (1797-?) (b. 1797) |
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| franklin sibly geologist (1883-1948) (b. 1883) |
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| richard sibly researcher |
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| hugh sibly researcher, ORCID id # 0000-0003-0271-7710 |
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