Louis Alphonse de Brébisson (25 September 1798 – 26 April 1888) was a French botanist and photographer born in Falaise, Calvados.

In his youth, he was interested in mineralogy and entomology, but his focus soon turned to botany.

[1] He was the author of several papers on Diatomaceae and Desmidiales, and was possibly the only French scientist researching these algae groups at the time.

[2] With Christiaan Hendrik Persoon, Benjamin Gaillon, Jean Baptiste Boisduval and Jean-Louis-Auguste Loiseleur-Deslongchamps, he made contributions to the multi-volume "Flore générale de France, ou Iconographie, description et histoire de toutes les plantes phanérogames, cryptogames et agames qui croissent dans ce royaume, disposées suivant les familles naturelles" (1828–29).

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