Dar Laadhar (Arabic: دار العذار) is a historic residence located in the north-western quarter of the Medina of Sfax, Tunisia.

It is renowned as one of the oldest and most esteemed houses within the medina's architecture.

[1] The residence is situated on Cheikh Tijani Street, also known as Zuqaq El Dhhab or The Gold's Street,[2] and is in proximity to Dar Kammoun.

Originally owned by the affluent Laadhar family, notable figures in Sfax during the 19th century, the house has retained its historical significance.

A restoration project in 2012 helped preserve its heritage.