Sophie Michalitsianos, better known by her stage name Sol Seppy (born December 31, 1980), is a British singer-songwriter, musician and record producer from Wimbledon, London. She was born in England to Greek parents, and grew up in Australia and Greece.

Michalitsianos contributed to albums of American indie rock band Sparklehorse like Good Morning Spider, It’s A Wonderful Life and Dreamt For Light Years In The Belly Of A Mountain. Her solo debut, The Bells Of 1 2, was released by Grönland Records in March 2006. She is perhaps best known for the song “Enter One” which was used at the end of episode six of the first season of the show Final Space.
She featured in the single “Fall For You” from the band The Whitlams and with other artists like My Epiphany, Karsh Kale, and Jared Hunter.