Monica Maria Iacob Ridzi (born 30 June 1977 in Petrosani) is a Romanian politician.
She was the head of the youth wing of the Democratic Liberal Party, and a representative in the Chamber of Deputies of Romania since 2008.
She is a former member of the Boc cabinet, and was a Member of the European Parliament during 2007-2008.
In February 2015, she received a 5-year prison sentence for abuse of office in relation to the 2009 Youth Day.
On December 3, 2015, President Klaus Iohannis rejected Ridzi's pardon plea.
In December 2017, she was released from prison, after spending nearly three years incarcerated.