Eva Lena Daun (born 1969) is a Swedish former professional tennis player who competed under her maiden name, Eva Lena Olsson.^[1]

Olsson twice made WTA Tour main draw appearances as a doubles player, at the 1988 Swedish Open and 1990 Estoril Open. She also featured in qualifying for the 1990 Wimbledon Championships.

Result	No.	Date	Tournament	Surface	Partner	Opponents	Score
Win	1.	6 March 1988	Jaffa, Israel	Hard	Lena Sandin	Dalia Koriat Petra Thorén	4–6, 7–5, 6–2
Loss	1.	27 March 1988	Ramat HaSharon, Israel	Hard	Diane Samungi	Lena Sandin Anne Aallonen	5–7, 3–6
Loss	2.	19 March 1989	Haifa, Israel	Hard	Malin Nilsson	Sofie Albinus Lone Vandborg	1–6, 4–6
Loss	3.	26 March 1989	Ramat HaSharon, Israel	Hard	Malin Nilsson	Caroline Vis Marianne van der Torre	2–6, 2–6
Loss	4.	16 April 1989	Limoges, France	Clay	Emmanuelle Derly	Michelle Anderson Robyn Field	5–7, 0–6
Loss	5.	28 January 1990	Helsinki, Finland	Carpet	Nina Erickson	Elena Brioukhovets Eugenia Maniokova	1–6, 4–6
Loss	6.	2 December 1990	Ljusdal, Sweden	Hard (i)	Cora Linneman	Stefanie Rehmke Kirstin Freye	1–6, 5–7
Loss	7.	10 November 1991	Ljusdal, Sweden	Carpet (i)	Cora Linneman	Laurence Courtois Nancy Feber	2–6, 6–7(3–7)

• Eva Lena Olsson at the Women's Tennis Association
• Eva Lena Olsson at the International Tennis Federation