Mohammed Saad Uddin (Bengali: মো: সাদ উদ্দিন; born 1 September 1998) is a Bangladeshi professional footballer who plays as a left wing-back and sometimes right wing-back, winger for Bangladesh Premier League club Bashundhara Kings and Bangladesh national team.

[2][3][4] Saad made his top tier debut with Abahani Limited Dhaka on 7 November 2016.

On his debut, Saad scored his first premier league goal of his career against Feni Soccer Club.

[5] On 4 September 2018, Saad made his senior debut against Bhutan during the 2018 SAFF Championship.

[6] Saad's younger brother, Mohammed Taj Uddin, is also a professional footballer.