Surname گیلانی (Gillani 
, Gilani , Geelani ) , worldwide, is a common last name. The cognomen گیلانی is habitual in United Arab Emirates, where it is quite a common surname, Pakistan, and Bahrain, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Pakistan, India, and Saudi Arabia. Much less frequently, گیلانی is the forename as well as the last name.
| زاهد گیلانی Grandmaster (Murshid Kamil) of the famed Zahediyeh Sufi Order at Lahijan, IR (b. 1216) |
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| شمسای گیلانی Iranian philosopher, IR (b. 1573) |
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سید اشرف‌الدین گیلانی Iranian literary, poet, journalist and cleric, IR (b. 1872) |
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پیر سید غلام محی الدین گیلانی Sufi scholar from Pakistan, PK (b. 1891) |
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محمدعلی مجتهدی گیلانی Iranian academic, IR (b. 1908) |
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غلام معین الدین گیلانی Sufi Scholar from Pakistan (1920-1997), PK (b. 1920) |
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محمد محمدی گیلانی Iranian judge, IR (b. 1928) |
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احمد سمیعی گیلانی IR (b. 1921) |
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اسحاق گیلانی Afghan politician, AF (b. 1954) |
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نوشی گیلانی Pakistani writer, PK (b. 1964) |
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فوزیه گیلانی Afghan politician, AF (b. 1971) |
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سید رضا علی گیلانی Pakistani politician, PK (b. 1975) |
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| حامد رضا گیلانی Pakistani federal minister and ambassador (1936-2004), PK (b. 1936) |
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| عظمیٰ گیلانی Pakistani actor, PK (b. 1945) |
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| جمیلہ گیلانی Pakistani politician and human rights activist, PK (b. 1960) |
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