Gwangalli Beach (Hangeul: 광안리 해수욕장) is a beach in Busan, South Korea. It is located at Gwangan 2(i)-dong, Suyeong-gu, Busan Metropolitan City, west of Haeundae Beach. It sits inside a cove spanned by the Gwangan Bridge and covers 82,000 square meters over a length of 1.4 km and a width of 25 to 110 metres, in a curved in a half-moon shape with fine sand. Adjacent are alleys with restaurants, coffee shops and nightclubs. Because of its popularity, city officials are pushing for improving water quality around the beaches.

The beach is near the Busan Yachting Center used for the sailing events of the 1988 Summer Olympic.