Alyssa Ysabel Leonardo (born 15 September 1997) is a Filipino badminton player.
Leonardo started to enjoy badminton when she was a child by played with others and watched her parents play. At the age of 8, she went from playing for fun to competing in a local tournament. After graduated from the IUF Academy of Bulacan, Leonardo then educated sports management in the De La Salle University, and also taking part in the La Salle badminton team to compete in the national event.
In 2017, Leonardo made her debut with Filipino team at the SEA Games.
In 2022, under the coach of Rosman Razak, Leonardo won her first senior international title in the mixed doubles at the Cameroon International. In the next tournament in Benin, she claimed two titles in the mixed doubles with Alvin Morada and in the women's doubles with Thea Pomar.
In 2023, Leonardo participated in the SEA Games, and was part of the team that beat strong country Malaysia in the women's team quarter-finals, and led the team advanced to the semi-finals.
Women's doubles
Mixed doubles
Girls' doubles
Mixed doubles