Titi Dwi Jayati (born May 27, 1966), known as Titi DJ, is an Indonesian pop singer. She was also one of the judges on Indonesian Idol from season 1 to 5 and season 8. The song that is very attached to her is “Sang Dewi”. She was the first Indonesian female singer to make a concert at Marina Bay Sand Singapore and the first Indonesian singer to make a concert 7 times a 4-day concert.

Titi DJ's most successful album was Bahasa Kalbu (1999), which made her the biggest winner at the 3rd Anugerah Musik Indonesia, with five wins including Album of the Year, Artist of the Year, and Songwriter of the Year.

Titi was born in Jakarta. She began singing on public television as a teenager, hoping a record company would notice. At age 17, she represented Indonesia in the Miss World 1983 competition, but was not a finalist. Also a dancer, she performed with Guruh Soekarnoputra's Swara Mahardhikka troupe. She sang backup vocals for Chrisye and appeared in a few movies early in her career. She released her first solo album in 1984, Imajinasi. Her singing career flourished in the 1990s, with the hit singles Bintang-Bintang (Stars), Ekspresi (Expression) and Salahkah Aku (Am I Wrong?). Currently, she is one of the three Indonesian divas that formed a group together with Krisdayanti and Ruth Sahanaya called 3 Diva.