Monica Dinescu-Iagăr (born April 2, 1973 in Sighetu Marmaţiei) is a Romanian former athlete who competed in high jump. Her personal best jump is 2.02 metres.
She made her international debut in 1995 but went through a six-month suspension in 1996. In 1998 she won the indoor with 1.96 m and outdoor European Championships with 1.97 m. She also won the 1999 Universiade and also won the Hochsprung mit Musik meet that year. She finished 8th at the 2004 Summer Olympics.