List of number one songs in May, 2015

What songs were number one in May, 2015? There were 2 UK #1 songs in May, 2015.

These number one songs in May, 2015 began with See You Again by Wiz Khalifa which went to #1 on 25th April, 2015 and remained at the top spot for 2 weeks.

The last number one song of 2015 was Cheerleader by OMI which went to #1 on 9th May, 2015 and remained at the top spot for 4 weeks.