Renal vessel thrombosis results in kidney loss unless be re-vascularized immediately. We report a case of right renal vein thrombosis in a 43 years old woman following whiplash trauma by her husband without any associated parenchymal or arterial injury. She presented to our emergency center with right flank pain for three days. She reported whiplashing by her husband 3 days before admission. Abdominopelvic spiral computerized tomography (CT) with intra-venous contrast showed a non-enhancement, enlargement and peri-renal fat-stranding in the right kidney. With the diagnosis of renal vein thrombosis following whiplash, the patient was heparinized 5000 IU sub-cutaneous every 8 hours and discharged with warfarin after resolution of gross hematuria. Follow-up with nuclear scan 10 weeks later showed the right kidney is non-function.