Elizaveta Ivanovna Mukasei (Russian: ???????´?? ???´????? ??????´?; 21 March 1912, Ufa – 19 September 2009, Moscow) was a Soviet spy codenamed Elza.
Along with her husband Mikhail Mukasei (whose codename was Zephyr), she took part in a number of undercover operations in Western Europe and the United States from the 1940s through to the 1970s.
She died on September 19, 2009 in Moscow at age 97.