| Rahul Mahajan is the son of the former union cabinet minister, Pramod Mahajan. |
| Pramod Mahajan was shot by his own brother, Pravin Mahajan in 2006. |
| His sister, Poonam Mahajan is also into politics and became the President of Bharatiya Janata Party Yuva Morcha (BJYM) in December 2016. |
| Rahul Mahajan is a firm believer in Shirdi Sai Baba. |
| He worked with Jet Airways as a co-pilot for two years before becoming a consultant for an American company. |
| During the tenure of National Democratic Alliance (NDA) Government, he started his production company, Integral Productions, which produced the music and dance programme, Tak Dhina Dhin for Doordarshan. |
| In 2008, Rahul won a car on the last day of the controversial reality show, Bigg Boss Season 2, and was named the Bada Dil Wala of the show. |
| Rahul Mahajan married his second wife, “Dimpy Ganguli”, during the reality show, Rahul Dulhaniya Le Jayega in 2010, but they got divorced in 2015. |
| In 2010, he won the comedy TV show ‘Jubilee Comedy Circus’ with Kapil Sharma and Shikha Singh on Sony TV. |
| Rahul Mahajan and Dimpy Ganguli participated in the dance reality TV show ‘Nach Baliye Season 5’ in 2012. |
| He entered ‘Bigg Boss Halla Bol’ as a wild card entry in 2014. |
| Although he was supposed to debut in Bollywood with the film ‘3 Full and 3 Half’, the film was never made. |
| In 2015, Rahul Mahajan revealed the dark side of Radhe Maa by tweeting her photos in a mini-skirt on his Twitter account. |
| In December 2020, he shared details about his wedding to Natalya Ilina, a Russian actress 18 years younger than him. They got married, and she converted to Hinduism soon after. |
