Leire Martínez Ochoa (born 22 June 1979 in Errenteria, Gipuzkoa), is a Spanish singer, songwriter and the lead vocalist of the band La Oreja de Van Gogh from 2008 to 2024.

She participated in the television show Factor X in 2007 performing covers of Julieta Venegas, Vanessa Paradis and Lisa Stansfield. She was eliminated on the 6th week. In 2008, after her performances in Factor X, Leire was selected to replace Amaia Montero in La Oreja de Van Gogh.^[1]

With Leire, the band released the albums A las cinco en el Astoria,^[2] Cometas por el Cielo, El planeta imaginario, and Un susurro en la tormenta, the last of which became her final album with the band.

• A las cinco en el Astoria (2008)
• Nuestra casa a la izquierda del tiempo (2009) Old songs, new arrangements sung by Leire
• Cometas por el cielo (2011)
• El planeta imaginario (2016)
• Un Susurro en la Tormenta (2020)

• El Último Vals (2008)
• Inmortal (2008)
• Jueves (2009)
• Europa VII (2009)
• Cuéntame al Oído (2009)
• Puedes Contar Conmigo (2010)
• La niña que llora en tus fiestas (2011)
• Cometas por el cielo (2011)

• Himno de la Real Sociedad – with Alex Ubago, Mikel Erentxun, and others (2009)
• Deseos de cosas imposibles – with Conchita (2010)
• Nada que perder – with Conchita (2010)
• ¡Ay Haiti! – with Carlos Jean, Marta Sánchez and others (2010)^{[3][non-primary source needed]}
• Hecho con tus sueños – with Efecto Pasillo (2013)

• Leire's official website
• the Band's official website