Irena Sonia Bačiulytė (later Vaitkevičienė, 8 January 1939 – 28 March 2024) was a Lithuanian rower who won three European titles in the eights event in 1963, 1965 and 1967; she finished second in 1964 and 1966. In 1962 Bačiulytė graduated from the Lithuanian University of Educational Sciences and later worked as a rowing coach in Vilnius. Her husband Ričardas Vaitkevičius was also an international rower and rowing coach. Bačiulytė died in Vilnius on 28 March 2024, at the age of 85.[1]