Ivona Horvat (born 13 February 1973) is a former Croatian tennis player that played for Yugoslavia and Croatia.

Result	No.	Date	Tournament	Surface	Opponent	Score
Win	1.	17 September 1990	Supetar, Yugoslavia	Clay	Olga Lugina	6–1, 7–5
Loss	2.	24 February 1992	Castellón, Spain	Clay	Pavlína Rajzlová	6–7, 2–6
Win	3.	28 June 1993	Supetar, Yugoslavia	Clay	Laura Montalvo	0–6, 6–1, 6–4
Loss	4.	20 September 1993	Rabac, Croatia	Clay	Virág Csurgó	2–6, 6–3, 3–6
Win	5.	18 April 1994	Bol, Croatia	Clay	Blanka Kumbárová	6–0, 6–2
Win	6.	20 June 1994	Zagreb, Croatia	Clay	Renata Kochta	6–3, 2–6, 6–1

Result	No	Date	Tournament	Surface	Partner	Opponents	Score
Win	1.	15 October 1990	Supetar, Yugoslavia	Clay	Eva Martincová	Tatiana Ignatieva Irina Sukhova	6–3, 6–3
Loss	2.	18 March 1991	Bol, Yugoslavia	Clay	Eva Martincová	Sofie Albinus Merete Balling-Stockmann	2–6, 3–6
Loss	3.	25 March 1991	Supetar, Yugoslavia	Clay	Eva Martincová	Dominika Gorecká Ivana Havrlíková	6–2, 2–6, 5–7
Loss	4.	8 April 1991	Belgrade, Yugoslavia	Clay	Eva Martincová	Janette Husárová Zdeňka Málková	0–6, 6–7(11–13)
Win	5.	7 July 1991	Dubrovnik, Yugoslavia	Clay	Lubomira Bacheva	Elena Pogorelova Irina Sukhova	5–7, 6–3, 6–3
Loss	6.	24 February 1992	Castellón, Spain	Clay	Janette Husárová	Eva Martincová Pavlína Rajzlová	5–7, 6–2, 1–6
Win	7.	10 August 1992	Munich, Germany	Clay	Christina Zachariadou	Renata Kochta Caroline Schneider	6–4, 3–6, 6–2
Win	8.	7 June 1993	Murska Sobota, Slovenia	Clay	Tina Vukasovič	Tonia Bayley Maja Wittke	6–2, 6–3
Win	9.	21 June 1993	Zagreb, Croatia	Clay	Tina Vukasovič	Svetlana Krivencheva Vanessa Matthys	7–5, 4–6, 6–2
Loss	10.	28 June 1993	Supetar, Croatia	Clay	Tina Vukasovič	Katarzyna Malec Aleksandra Olsza	5–7, 6–7(5–7)
Loss	11.	2 August 1993	Munich, Germany	Clay	Martina Hautová	Petra Kučová Lenka Němečková	6–2, 3–6, 2–6
Loss	12.	27 September 1993	Mali Lošinj, Croatia	Clay	Tina Vukasovič	Helena Vildová Aleksandra Olsza	0–6, 7–6(7–5), 3–6
Win	13.	20 June 1994	Zagreb, Croatia	Clay	Sabine Haas	Ivana Ivanek Sabine Resch	6–2, 6–3

• Ivona Horvat at the International Tennis Federation
• Ivona Horvat at the Women's Tennis Association