Globally, Rahulaj (Rahulaj 
) is a common masculine first name. The given name Rahulaj is habitual in Southern Asia, particularly India, where it is quite a rare male name.
| VARIANT | COUNTRY |
|---|---|
| Rahulaj | India |
La, Goyal, Joshi, Tyagi, Nagar, Varma, Vamar, Yadav, Mehata, Sharma, Shamar, Chavla, Bansal, Kamboj, Dhiman, Gautam, Tanvar, Thakur, Agarval, Chauhan, Bhaitay, Kashyap, Gupta, Dogra, Dihay, Ravat, Ja, Sah, Sud, Pal, Rai, Dev, Gua, Soni, Khan, Rana, Kaushik, Gagr, Negi, Isah, Milak, Saini, Sagal, Singh, Sethi, Arora, Kapur, Kumar, Jain, and Chaudhri