Ronald Alexander (born 15 August 1993) is an Indonesian badminton player specializes in doubles.

He is joined the Jaya Raya Jakarta badminton club in 2008, and moved to Jaya Raya Suryanaga Surabaya in 2011.

[1] Boys' doubles Mixed doubles Boys' doubles The BWF World Tour, which was announced on 19 March 2017 and implemented in 2018,[2] is a series of elite badminton tournaments sanctioned by the Badminton World Federation (BWF).

It was a series of badminton tournaments sanctioned by the Badminton World Federation (BWF) which was held from 2007 to 2017.

Men's doubles Mixed doubles Men's doubles Mixed doubles Mixed doubles results with Melati Daeva Oktaviani against World Superseries finalists, World Superseries Finals semifinalists, World Championships semifinalists, and Olympic quarterfinalists.