Ruth Rissing-van Saan (born January 25, 1946 in Neuss) is a German lawyer and was chair judge at the Federal Court of Justice.
She worked as a judge on probation at the district and the district court Bochum, she was appointed in 1975 as a judge for life.
In 1988, she was appointed judge at the Federal Court of Justice.
In 2002, she took over the chairmanship of the 2nd Criminal Senate.
Rissing-van Saan was awarded the Heinrich Pera Prize in December 2017 in Halle (Saale) for her decisive participation in the case-law that is groundbreaking for palliative medicine (judgment on the so-called "justified termination of treatment") (BGHSt 55, 191).