Sarah Walker may refer to: Sarah Walker (Australian author) (born 1965), Australian author Sarah Walker (badminton) (born 1989), English badminton player Sarah Walker (Brothers & Sisters), a character in the television series Brothers & Sisters Sarah Walker (BMX rider) (born 1988), BMX bike racer from New Zealand Sarah Walker (Chuck), a character on the American television show Chuck Sarah Walker (music broadcaster) (born c. 1965/66), BBC classical music presenter Sarah Walker (mezzo-soprano) (born 1943), British mezzo-soprano singer Sarah Walker (television presenter) (born 1974), British presenter of the To Buy or Not to Buy television programme Sarah Woodruff Walker (1814–1879), wife of Supreme Court justice David Davis Madam C. J. Walker (Sarah Breedlove, 1867–1919), American businesswoman