List of Famous people with last name Aitken

Brett Aitken is an Australian Olympic track cyclist. He has won three Olympic medals, including gold in the Madison event at the 2000 Olympics. He retired from cycling in 2004, but returned in 2006 to ride on the Oceania Tour. On 16 January 2001, he was awarded the Australian Sports Medal for his gold medal winning achievement.

Alexander Craig "Alec" Aitken was one of New Zealand's most eminent mathematicians. In a 1935 paper he introduced the concept of generalized least squares, along with now standard vector/matrix notation for the linear regression model. Another influential paper co-authored with his student Harold Silverstone established the lower bound on the variance of an estimator, now known as Cramér–Rao bound. He was elected to the Royal Society of Literature for his World War I memoir, Gallipoli to the Somme.

Robert Grant Aitken was an American astronomer.