The year 1930 in science and technology had many significant events, including those listed below.

Astronomy and space exploration

• February 18 - Pluto is discovered by Clyde Tombaugh

Births

• January 13 - Harold Furth (d. 2002), expert in plasma physics and nuclear fusion.
• May 11 - Edsger Dijkstra (d. 2002), computer scientist.
• June 22 - Yuri Artyukhin (d. 1998), cosmonaut.
• October 17 - Dr. Robert Atkins (d. 2003), nutritionist.
• November 14 - Edward White (d. 1967), astronaut.

Deaths

• January 19 - Frank P. Ramsey (b. 1903), mathematician.