CKD-MBD is one of complications that usually manifested at late stages of CKD then progressed with dialysis Although renal transplantation isconsidered a good option of renal replacement therapy that may decreasedialysis complications, CKD MBD is not usually fully resolved aftertransplantation, especially with the commencement of immune suppressiveagentsVitamin D has a known role in pathogenesis of CKD MBD Adding to itsusual action on bone integrity, extra skeletal actions and association betweenits deficiency and many other diseases are now postulated.the aim of study :-measuring the prevalence of vitamin D deficiency in renal transplant recipientsin a single centre Almowasah hospital)-determining predictors of low 25 hydroxyvitamin D 25 ( D) levels usingpatient characteristics to identify patients at a higher risk of vitamin D deficiencysubjects and methods :This study was carried on renal transplant recipients who performed thesurgery in Almowasah university hospital in the period between June 2015and September 2017 Data was collected from patients during their regularfollow up in the hospital transplantation clinic The initial number of patientswas 62 patients but after drop out and excluding patients on vitamin Dsupplements the study was conducted on 55 patientsAll patients were subjected to detailed history taking and physicalexamination including BMI The laboratory investigations included CBC,renal function tests, PTH pre and post transplantation 25 ( D wasmeasured as a good indicator of vitamin D status