Around the globe, Irwan (Irwan 
, イルワン) is a widespread principally boy's, but very infrequently feminine given name. The first name Irwan is characteristic of Indonesia, where it is quite a common predominantly boy's, but very infrequently girly name, Brunei, where it is quite a common male name, and Reunion. Measured by absolute frequency, it is the most numerous in Indonesia, Malaysia, and Saudi Arabia. Very seldom, Irwan is the last name as well as the forename.
| VARIANT | COUNTRY |
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| Irwan | Singapore, United States, Indonesia, Malaysia, Saudi Arabia |
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irwan prayitno governor of West Sumatra, Indonesia, ID (b. 1963) |
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irwan fikri Indonesian politician, ID (b. 1968) |
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irwan achmadi Indonesian admiral |
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irwan kartosen NL (b. 1980) |
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| irwan bahar Indonesian politician (born 1949 in Bukit Tinggi), ID (b. 1949) |
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| irwan sjarkawi ID (b. 1946) |
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| irwan hidayat ID (b. 1947) |
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| irwan zainal nasution Indonesian politician (born 1957 in Pekan Baru), ID (b. 1957) |
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| irwan hadiwinata Indonesian politician (born 1958 in Jakarta), ID (b. 1958) |
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| irwan ardi hasman Indonesian politician (born 1959), ID (b. 1959) |
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| irwan mussry Indonesian businessman (b. 1962) |
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| irwan santosa Indonesian politician (born 1964 in Jakarta), ID (b. 1964) |
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| irwan zulfikar Indonesian politician (born 1967 in Makasar), ID (b. 1967) |
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| irwan arifin. hsb Indonesian politician (born 1967 in Gunung Tua), ID (b. 1967) |
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| irwan katili ID (b. 1958) |
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To, Chandra, Permana, Pratama, Gunawan, Nugraha, Effendi, Hidayat, Firdaus, Ibrahim, Setiadi, Wahyudi, Setiawan, Prasetyo, Darmawan, Hermawan, Iskandar, Yulianto, Syahputra, Kurniawan, Irwansyah, Widjaja, Sutanto, Sumarno, Susanto, Sah, Wan, Shah, Syah, Jaya, Hadi, Iwan, Ahmad, Putra, Lubis, Fauzi, Idris, Ridwan, Efendi, Ismail, Irawan, Wijaya, Maulana, Santoso, Sanjaya, Saputra, Ardiansyah, and Firmansyah