Diassonema Mucungui (born 6 June 1996) is an Angolan judoka. She is a bronze medalist at the African Games and a three-time medalist at the African Judo Championships. She represented Angola at the 2020 Summer Olympics held in Tokyo, Japan.
In 2019, she won one of the bronze medals in the women's 57kg event at the African Judo Championships held in Cape Town, South Africa. In 2020, she won the gold medal in this event at the African Judo Championships held in Antananarivo, Madagascar.
She competed in the women's 57kg event at the 2021 Judo World Masters held in Doha, Qatar. She also competed in the women's 57kg event at the 2020 Summer Olympics held in Tokyo, Japan.