Badhaai Ho (transl. Congratulations; Hindi pronunciation: [bədʱaːi ɦoː]) is a 2018 Indian Hindi-language comedy drama film directed by Amit Ravindernath Sharma and produced by Sharma, Aleya Sen and Hemant Bhandari under Chrome Pictures and Vineet Jain under Junglee Pictures. It stars Ayushmann Khurrana and Neena Gupta with Gajraj Rao, Surekha Sikri, Shardul Rana and Sanya Malhotra in supporting roles. The film tells the story of a middle-aged couple who get pregnant, much to the disappointment of their sons. Based on a script written by Shantanu Srivastava and Akshat Ghildial and a story conceived by Jyoti Kapoor.

Badhaai Ho received positive reviews and was a commercial success. With earnings of over ₹221.44 crore (US$26 million) against a budget of ₹29 crore (US$3.4 million), it emerged as the ninth-highest-grossing Bollywood film of 2018. The film won four awards at the 64th Filmfare Awards, including Best Actress (Critics) for Gupta, Best Supporting Actress for Sikri, and Best Supporting Actor for Rao. It also won two National Film Awards: Best Popular Film Providing Wholesome Entertainment, the first time where two films featuring the same lead actor (Khurrana) has won both Best Film awards at the National Awards as Andhadhun won Best Film, and Best Supporting Actress for Sikri.

A spiritual successor titled Badhaai Do, released on 11 February 2022.