Muhammad Bobby Afif Nasution (born 5 July 1991) is an Indonesian businessman and politician currently serving as Medan's mayor.

[1] Nasution submitted a bid to run as a mayoral candidate for his hometown of Medan in the 2020 Indonesian local elections through Jokowi's political party PDI-P.

[6] In May 2024, Nasution ordered a shopping mall in Medan to be closed, citing unpaid municipal taxes since 2011 amounting to Rp 250 billion (USD 16 million).

[8] While studying for his master's degree in Bogor, Nasution met Kahiyang Ayu (born 20 April 1992), the only daughter of 7th Indonesian president, Joko Widodo (Jokowi).

They dated for around a year after they met in 2015, and the two married in November 2017, through a ceremony in Jokowi's hometown of Surakarta which was attended by some 7,000 live guests and watched by millions of people.