Tunisia international Abdennour, who has previously been linked with Arsenal, is thought to be on the radar of Barca after impressing in Ligue 1.
The 23-year-old has been tipped for a summer move to Camp Nou after staying put in last month's transfer window.
He has stressed that he is under contract with Toulouse until 2017 but admits reports of interest from Barcelona are flattering.
Abdennour said: "I am flattered by the interest of the biggest club in the world.
"Barca would be a dream come true but at the same time I have a contract until 2017."