Ilia Kushev (sometimes also transliterated as Iliya Kushev) (Bulgarian: Илия Кушев, born 13 December 1980) is a former professional tennis player from Bulgaria.

He has frequently played for Bulgaria at the Davis Cup.

On 16 August 2004, he reached his highest ATP singles ranking of 285 whilst his best doubles ranking was 234 on 16 August 2004.

[1][2][3] In 2006, Kushev married Vesela Tomova, a tennis coach.

Ilia Kushev debuted for the Bulgaria Davis Cup team in 2003.