Grete Reiner (20 November 1885 – 8 March 1944) was a Czech-German magazine editor and writer, who is notable for being the first translator of The Good Soldier Schwejk, the antimilitarist satirical novel by Jaroslav Hašek. Reiner was born in Prague under the name Grete Stein. After her second marriage to Dr. Karel Reiner (1897 - 1943), she was also known as Grete Reinerová (Czech name) or Markéta Reinerová, as well as Greta Reiner-Straschnow (because she had a son with her first husband JUDr. Oskar Straschnow, named Kurt (1911 - 1999)).