Koninklijke Lierse Sportkring (, often simply known as Lierse) is a Belgian professional football club, from the city of Lier in the Antwerp province. Lierse has been playing in the Belgian Pro League since the 2010-11 season and they have already won the competition 4 times. They also have won 2 Belgian Cups. Lierse is one of the 5 Belgian clubs to have played in the UEFA Champions League group stage with Anderlecht, Club Brugge, Genk and Standard. The most capped player at the club is Bernard Voorhoof with 61 caps for Belgium, all when he was at Lierse. With 30 goals, he is also the topscorer of the Belgium national football team together with Paul Van Himst.
The club was founded in 1906 and they first promoted to the first division in 1927-28. Lierse was successful in the first division until the end of World War II, winning 2 titles and finishing only 4 times outside the top 5. At the end of the 1947-48 season, they were relegated to the second division. Lierse enjoyed a two more spells at the highest level, each time with a championship win (between 1953-54 and 1985-86 and between 1988-89 and 2006-07).
Lierse play their home matches at the Herman Vanderpoortenstadion in Lier, which is also known as 'Het Lisp', because the stadium is located in a neighbourhood named Lisp. They have yellow and black colours. The club has been recently bought by an Egyptian business man named Maged Samy, who also owns KV Turnhout and Wadi Degla FC in Egypt which has a sporting contract with Arsenal. He bought the club by paying all of their debts.