Family name Janmaat (Janmaat 
) , throughout the world, is quite a rare cognomen. The cognomen Janmaat is habitual in Netherlands, where it is quite a rare surname, Austria, where it is a rare surname, and New Zealand. In absolute terms, it is the most numerous in Netherlands, Australia, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Janmaat | Australia, Austria, Netherlands, Canada, Belgium |
|
hans janmaat Dutch politician (1934-2002), NL (b. 1934) |
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daryl janmaat Dutch association football player, NL (b. 1989) |
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| alice janmaat Dutch golfer, NL (b. 1946) |
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| jan germen janmaat (b. 1969) |
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| maarten janmaat researcher |
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| karline r l janmaat researcher (ORCID 0000-0003-2533-6881) |
|
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| vincent t janmaat researcher, ORCID id # 0000-0002-8279-1816 |
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| piet janmaat |
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| pauline janmaat NL |
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