Cognomen Prasetyo (Prasetyo 
) , around the globe, is a widespread surname. The family name Prasetyo is habitual in Indonesia, where it is a common surname, New Zealand, where it is quite a common surname, and Brunei, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Indonesia, Malaysia, and New Zealand. Very seldom, Prasetyo is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Prasetyo | Malaysia, Indonesia, Singapore, New Zealand, Taiwan |
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muhammad prasetyo Indonesian politician (born 1947 in Tuban), ID (b. 1947) |
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prasetyo edi marsudi Indonesian politician, ID (b. 1962) |
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fadjar prasetyo Indonesian air chief marshal, ID (b. 1966) |
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wisnu yuli prasetyo badminton player, ID (b. 1994) |
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| nana maznah prasetyo Indonesian politician (born 1950 in Singapore), ID (b. 1950) |
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| zuhdan kun prasetyo ID (b. 1955) |
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| senen budi prasetyo ID (b. 1955) |
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| joko prasetyo Indonesian politician (born 1965 in Magelang), ID (b. 1965) |
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| prasetyo nuchsin ID (b. 1957) |
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| prasetyo martoyoputro ID (b. 1957) |
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| prasetyo singgih Indonesian politician (born 1967), ID (b. 1967) |
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| prasetyo budie yuwono ID (b. 1958) |
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| yosep stanley adi prasetyo (b. 1959) |
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| prasetyo hary satrijo ID (b. 1959) |
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| jip hengky yana prasetyo Indonesian politician (born 1969 in Semarang), ID (b. 1969) |
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