| "Baby is Three" | |
|---|---|
| Short story by Theodore Sturgeon | |
 | |
| Country | United States |
| Language | English |
| Genre(s) | Science fiction |
| Publication | |
| Publication date | October 1952 |
"Baby Is Three" is a science fiction novella by American writer Theodore Sturgeon, first published in the October 1952 issue of Galaxy magazine. It was later crafted into a full novel, More Than Human. The original novella was voted the fifth-best science fiction novella of the pre-1965 era by the Science Fiction Writers of America, and so was included in The Science Fiction Hall of Fame, Volume Two.