Baby Names Girl Names Meaning of the Name Tanwen Updated December 10, 2025 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: Seren, Terrwyn, Rhoswen, Talaith, Branwen, Genevieve, Cosette, Soren, Declan, Lucian, Eirwyn, Aidan, Oliver, Liam Names like Tanwen: Taima, Twm, Twon, Timeo, Tomoyo, Teenie, Temwani, Taimo, Thyme, Tam, Tomomi, Twyman, Temima, Thina, Titania, Tanaya, Tumaini, Tayna, Taiomah, Tuana, Timea, Tien, Tythan, Tammen, Tomai, Tumenah, Thomae, Thana, Thameena, Tenen 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