A Note to God (Indonesian: Surat Kecil untuk Tuhan) is a 2017 Indonesian drama film produced by Falcon Pictures. Based on the novel of the same name by Agnes Davonar, it is the second installment of the Surat Kecil untuk Tuhan film series and was directed by Fajar Bustomi with Andreas Sullivan co-directing. The film stars the ensemble cast led by Bunga Citra Lestari, Joe Taslim, and Lukman Sardi. Set in the early 2000s, the story follows Anton (Azriel) and Angel (Khansa), the orphan siblings who were stuck in a syndication in which uses homeless children.

Following the release of My Stupid Boss, Upi began working on the project when the idea first started. She pitched the concept to Falcon to develop A Note to God, while the story is inspired by various family films, including Lion and Frozen. Development for A Note to God lasted for six months, on an approximate 10 billion Rupiah budget, and the film faced production difficulties, including story changes.

A Note to God was premiered on 20 June 2017, and was released in Indonesia five days after. The film received generally positive reviews, grossing 26,4 billion rupiah, making it the fifteenth highest-grossing Indonesian film of 2017. The film won Bandung Film Festival for Best Cinematography and AMI Award for Best Children's Album, respectively. It was also nominated for Citra Award for Best Child Performance and Indonesian Choice Award for Movie of the Year, in 2017 and 2018, respectively.