Laine is Finnish and Estonian for "wave", and a surname in various languages. Laine is a Laine type Finnish surname. In Estonian, it is also a female given name. Given name. On 1 January 2022, in Estonia, 1,709 women had the first name Laine, making it the 98th most popular female name in the country. The first name Laine was most common in Jõgeva County, where 28.31 per 10,000 inhabitants of the county bear the name. Notable people bearing the given name Laine include: Laine Erik (born 1942), Estonian middle-distance runner.
https://en.wikipedia.org/wiki/Laine