The Oscar-winning song from 1997 film Titanic was played during a Trump event in Montana.
Her management team released a statement on Saturday on behalf of the Canadian artist and her record label saying the use of the song was "in no way" authorised.
"Today, Celine Dion's management team and her record label, Sony Music Entertainment Canada Inc, became aware of the unauthorized usage of the video, recording, musical performance, and likeness of Celine Dion singing 'My Heart Will Go On' at a Donald Trump / JD Vance campaign rally in Montana, The statement on Dion's Instagram said.
عرض هذا المنشور على Instagram تمت مشاركة منشور بواسطة Ce'line Dion (@celinedion)
"In no way is this use authorized, and Celine Dion does not endorse this or any similar use.
"... And really, THAT song?"
It comes after Dion made a triumphant return to live singing last month when she closed the opening ceremony of the Paris Olympics amid her battle with stiff person syndrome.
A number of artists have previously criticised Trump for using their songs, including Smiths guitarist Johnny Marr earlier this year after the band's hit Please, Please, Please, Let Me Get What I Want was played at a rally.
In 2018, Steven Tyler of Aerosmith sent a letter to the then-president ordering him to stop playing the band's songs at political rallies, after the band's 1993 hit Livin' On The Edge was played at a rally in Charleston, West Virginia.
The singer had previously sent the Trump campaign two cease-and-desist letters in 2015 for its use of the band's music.
The estates of Prince and Tom Petty have also demanded Trump refrain from using the music of the late musicians, while Rihanna issued a cease-and-desist letter after he played her 2007 hit Don't Stop The Music at an event in Chattanooga, Tennessee.
Ozzy and Sharon Osbourne sent a notice to Trump banning him from using Black Sabbath music in his campaign videos.
Other artists who have taken action after Trump used their music include the Rolling Stones and Neil Young, while Linkin Park issued a cease-and-desist order after the band's song, In The End, appeared in a video supporting the then-president.
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