Iolanda Costa, known professionally by her first name, is a Portuguese singer and songwriter. She first became known at the age of 14 when she participated in the TV talent show Uma canção para ti but was eliminated in the second round. She moved to Lisbon at 17 and also participated in the 5th season of Ídolos (the Portuguese version of the Idol franchise), but did not make it to the live shows. In 2014, she participated in the second season of The Voice of Portugal but did not make it past the blind auditions.
She studied music at university in England and released her first EP in 2022.
She won the 58th edition of Festival da Canção and represented Portugal at the Eurovision Song Contest 2024 in Malmo with the song Grito, finishing in 10th place in the final.