Dirngulbai Moreyna "UB" Misech (born 27 September 1997)[1] is a female Palauan swimmer and represents her country at international swimming competitions.

Misech also competed in the 50 m and 100 m freestyle events at the 2013 World Aquatics Championships.

Most recently she competed at the 2014 FINA World Swimming Championships (25 m), 2014 Summer Youth Olympics and 2015 World Aquatics Championships.

[5][6] In 2015, she broke the Palauan record (her own) for the 100m butterfly during the 2015 Pacific Games[7][8] and had broken a number of national records (400 meter freestyle, 100 meter butterfly, 1500 meter freestyle and 400 meter individual medley) at the Saipan International Meet.

[9][10] As of April 2016 she owns 21 Palauan records.