Ludovica "Louisa" Ghijs (March 19, 1902 – July 18, 1985) was a Belgian stage actress. She was married to Dutch actor and centenarian Johannes Heesters. Louisa Ghijs met Heesters in 1928, they married in 1930 and had two daughters Wiesje (1931), nowadays a pianist in Vienna, and Nicole (1937) who became an actress.
One of her grandchildren is also an actress: Saskia Fischer (born 1966).
In 1935, she played in her last movie, De vier Mullers, alongside her husband.

In 1985, Ghijs died.

Louisa Ghijs was the inspiration for Wiske ("Suzy") in the Belgian comic series Suske en Wiske (English: Spike and Suzy).