Chinese Singaporean
Dhanabalan is a devout Christian (Brethren) and attends a small church in Bukit Panjang – Bukit Panjang Gospel Chapel. He is married to Christine Tan Khoon Hiap, a Chinese Singaporean of Hokkien ancestry and they have one son, Ramesh Dhanabalan, and one daughter, Shandini Dhanabalan.