Title A SINGULAR FRACTIONAL INTEGRO-DIFFERENTIAL EQUATION Type of Research Article Keywords Caputo derivative, Fixed point, Riemann-Liouville integral, Singular fractional integro-differential equation. Abstract We investigate the existence of solutions for a singular fractional differential equation with some integral boundary condition. Researchers Mehdi Shabibi (First Researcher)، Shahram Rezapour (Second Researcher)، Seyyes Mansour Vaezpour (Third Researcher)