Meaning and name origin
Rieka \ri(e)-ka\ as a girl's name is of Old German origin, and the meaning of Rieka is "power of the wolf; power of the home". Rieka is a variant of Rica: variant of Erica (Old Norse) "complete ruler" or Frederica (Old German) "peaceful ruler". Also a variant of Ulrica (Old German): feminine of Ulric.
Rieka is not a popular first name for females and an equally uncommon surname or last name for all people (Source: 2000 U.S. Population Census).
Displayed below is a comparison of the popularity of the girl name Rieka and its variant forms. Popular variation forms ranked in the Top 1000/100 are Rikki and Ricki. (Source: 2014 Birth Name Statistics).
Rieka is also pronounced similarly to Rika, Rikke and Rikky. Other suggested similar baby names are Reesa, Reza, Rezka, Riesa, Rieta, Rifka, Risa and Rivka. These names tend to be more commonly used than Rieka.