Laine is a variant of Lane, an English surname for someone who lived by a "narrow road" or "path". In Estonian the same word means "wave", and Laine is a traditional Estonian girls' name, which gives this slim one-syllable name a second, maritime story. In the United States Laine has not yet reached the top 1000; it rose from number 2182 in 2015 to number 1451 in 2022 and stands at number 1464 in 2025.