Ladislav František Celakovský (December 3, 1863 – December 31, 1916) was a Czech mycologist and botanist born in Prague.
He was the son of botanist Ladislav Josef Celakovský (1834-1902).
Celakovský was a professor of plant physiology at the Czech Technical University in Prague, and was a specialist in research of slime molds.
He was the author of an 1890 book on the phylum Myxomycota called Ceské myxomycety.