Deniz is the Turkish word for "sea" and one of the most popular names in Turkey, where it is given to boys and girls alike; it fits the Turkish fondness for nature names such as Yagmur, rain, and Ayaz, frost. In the United States Deniz is used mainly by Turkish American families: it ranked number 3953 in 2000, peaked at number 2343 in 2016 and was given to 50 boys in 2025, placing it at number 2611.