Jessica Louise Jonassen (born 5 November 1992) is an Australian cricketer from Rockhampton, Queensland. A left-arm orthodox bowling all-rounder, Jonassen has been a member of the national women's team since 2012, going on to win four ICC T20 World Cups while becoming the fourth woman to have taken 100 One Day International wickets for Australia. Domestically, she is the current captain of both the Queensland Fire in the Women's National Cricket League (WNCL) and the Brisbane Heat in the Women's Big Bash League (WBBL).