Jef Leempoels or Joseph Leempoels (Brussels, 15 May 1867 – Ixelles, 1935) was a Belgian painter who was renowned in his lifetime for his society and official portraits as well as his genre scenes and symbolist compositions.
He worked in other genres such as still lifes and landscapes.
His work ignored modernist developments and his style has variously been described as academic, realist and symbolist.