Arsul Sani is an Indonesian politician who is currently serving as a justice of the Constitutional Court of Indonesia.

He was appointed a judge to replace Justice Wahiduddin Adams who retired in January 2024.

[1] Prior to coming to the Constitutional Court, he was the secretary-general of the United Development Party, (PPP).

[2][3] He was also a member of the People's Representative Council, sitting on the legislature's Commission III specializing in legal affairs.

[5] Sani also commented on the controversy surrounding the November 2016 Jakarta protests, questioning why police had financially investigated some of the protests' backers but not the financial backers of Jakarta governor Basuki Tjahaja Purnama.