Khalid Eisa Mohammed Bilal Saeed Al Mesmari is an Emirati goalkeeper for Al Ain and the United Arab Emirates national team. He started with Al Jazira and moved to Al Ain in 2013, becoming one of the country's prominent goalkeepers. With Al Ain he has won domestic titles and the 2023-24 AFC Champions League, and he was part of the side that finished runner-up at the 2018 FIFA Club World Cup. Internationally, he has represented the UAE since 2011 and competed at the 2012 Olympics.