Diabetes mellitus (DM) and chronic kidney disease (CKD) are two chronic diseases whose prevalence and coprevalence are on the rise. CKD is also the most debilitating and expensive complication of DM while management of DM in CKD is most challenging. CKD is developing in much younger patients with DM, and its presentation is also changing. Various methods of glycemic assessment are affected by CKD and dosage of DM medications needs to be adjusted according to the kidney function. One of the significant barriers to glycemic control in DM patients with CKD is hypoglycemia; close monitoring of glucose levels is essential. Dialysis affects the glucose homeostasis and insulin pharmacokinetics; therefore diabetic medication regimen needs to be adjusted accordingly. Kidney transplants are being increasingly performed as an alternative to dialysis. With the increased survival of transplants secondary to improved immunosuppressive regimen, the prevalence of post-transplant diabetes mellitus is on the increase. Good glycemic control is necessary for the survival of the transplant.