All around the world, Syvälahti (Syvälahti 
) is an extremely rare unknown gender given name. Much more frequently, Syvälahti is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Syvälahti | Finland |
| judge hannes joninpoika of syvälahti - 1623/1624 Gesterby, Keniö island |
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| judge eerikki anteronpoika of syvälahti, royal bailiff in finland, squire of syvälahti - Abt 1574 |
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| noble anna eerikintytär of syvälahti, heiress of koukkukylä - Aft 1606 |
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