Lacroix Glacier () is a glacier between Suess and Matterhorn Glaciers, which flows southeast into Taylor Valley in Victoria Land. It was mapped by the British Antarctic Expedition under Scott, 1910–13, and named after Alfred Lacroix, as was Mount Lacroix.
This article incorporates public domain material from the United States Geological Survey document "Lacroix Glacier" (content from the Geographic Names Information System).