Mario Caesar (born November 27, 1996, in Cianjur, West Java) is an Indonesian content creator known through his TikTok account, @caesarmario. To date, he has amassed over 1.6 million followers and 147 million likes on the platform.

Mario made his film debut in Tinggal Meninggal, a movie directed by Kristo Immanuel. Mario frequently shares comedy videos featuring impersonations of famous figures, including former Jakarta Governor Basuki Tjahaja Purnama (Ahok). One of his popular videos, titled "Tak Bisa Terkecoh" ("Can't Be Fooled"), presents a scenario where Ahok plays the role of an internet café operator.

In addition, Mario creates content that humorously portrays everyday situations. For example, in a video titled "Malaikat Pun Bingung" ("Even Angels Are Confused"), he depicts a friend with an absurd level of faith.

His creativity and ability to deliver entertaining content have earned him a special place in the hearts of his Indonesian fans.