Elriesa Theunissen-Fourie (née Theunissen; 2 May 1993 – 5 April 2019) was a South African cricketer who played as a right-handed batter and right-arm medium bowler. She appeared in three One Day Internationals and one Twenty20 International for South Africa women's national cricket team in 2013. She played domestic cricket for North West. She was killed in a road accident in April 2019.