Baby Names Girl Names Meaning of the Name Tanwen Updated April 16, 2026 by Jennifer M. Tanwen Gender: Female Origin: Welsh Meaning: White Fire #Fire ♥ Add to my Namelist What is the meaning of the name Tanwen? The name Tanwen is primarily a female name of Welsh origin that means White Fire. People who like the name Tanwen also like: Kaida, Seren, Arabella, Genevieve, Lorelei, Branwen, Zelda, Aidan, Soren, Lucian, Liam, Oliver, Eirwyn, Declan Names like Tanwen: Tana, Tomomi, Teenie, Thomae, Taiyanna, Tomoe, Tiimu, Theon, Tumo, Thian, Tanaya, Tonia, Tina, Thadine, Theanna, Temwani, Twon, Tino, Tuhina, Tayten, Teom, Theodwin, Tama, Timin, Theone, Taimo, Tiana, Tyne, Tomai, Tumenah Stats for the Name Tanwen Tanwen is currently not in the top 100 on the Baby Names Popularity Charts Tanwen is currently not ranked in U.S. births