Vettu Onnu Thundu Rendu () is a 1998 Indian Tamil-language film directed by Sakthi Chidambaram (credited as C. Dinakaran). The film stars Mansoor Ali Khan, Ponnambalam and Keerthana. It was released on 1 May 1998.
Production took place throughout 1997, with the lead actor Mansoor Ali Khan prioritising the film as he was the main lead. The actor suffered an injury in a road accident during the making of the film.
The soundtrack was composed by A. K. Vasagan.
In late 1998, Mansoor Ali Khan was arrested for causing a roadblock and obstructing traffic while protesting against pirated reruns of the film on cable television. His activity led to film distributor Chinthamani Murugesan releasing a press statement condemning the television's actions and prompted a shut down of cinema halls across Pondicherry for one day. He later filed a police complaint about the matter at Orleanpet police station and in 2001, the court sentenced two involved men to two years' imprisonment each and ordering them to pay a fine of for illegal streaming. In 2007, the court sentenced the two persons to six months' imprisonment each and ordered them to pay a fine of in a case of copyright infringement. Two years after the film's release, the producers were given a subsidy by the Tamil Nadu government along with several other films.