Eleanor Crockett Pressly (1918 – May 10, 2003) was an American mathematician and aeronautical engineer in the sounding rocket program at NASA's Goddard Space Flight Center.

[4][5] During World War II, Pressly taught mathematics to air corps students at Winthrop College[5] and worked at Radio Research Laboratory at Harvard University.

[1] Pressly transferred to the Goddard Space Flight Center soon after it opened in 1958, and was head of the Vehicles Section in the Spacecraft Integration and Sounding Rocket Division, in charge of probes launched into the upper atmosphere.

[12] In 1964, Lady Bird Johnson invited Pressly to the White House again, for a luncheon about women in the space program.

[15] Publications by Pressly included "Counting with Geiger Counters" (Review of Scientific Instruments 1949, with Homer E. Newell),[16] Upper Atmosphere Research Report Number 21.