Jovovich shared a snap from the ceremony on her Instagram.
In the black-and-white pic, the 39-year-old actress's eldest daughter, 7-year-old Ever, cradling her little sister.
"Dashiel's baptism yesterday was incredible! Such a gorgeous ceremony, so peaceful and spiritual. Thank you to the very special godfather @chrissbrenner for this stunning pic of my two beauties! #evergabo #dashieledan #ladiary," she captioned the image.
Jovovich gave birth to daughter Dashiel on April 1. The baby is her second daughter with film director husband Paul W S Anderson.