Fred E. Schiemann
- 1950 – New York’s 26th congressional district (R) – lost
John Schiess
- 2016 – United States Senate (Wisconsin) (R-W/I) – lost
Adam Bennett Schiff
- 2000 – California’s 27th congressional district (D) – won
- 2002 – California’s 29th congressional district (D) – won
- 2004 – California’s 29th congressional district (D) – won
- 2006 – California’s 29th congressional district (D) – won
- 2008 – California’s 29th congressional district (D) – won
- 2010 – California’s 29th congressional district (D) – won
- 2012 – California’s 28th congressional district (D) – won
- 2014 – California’s 28th congressional district (D) – won
- 2016 – California’s 28th congressional district (D) – won
- 2018 – California’s 28th congressional district (D) – won
- 2020 – California’s 28th congressional district (D) – won
- 2022 – California’s 30th congressional district (D) – won
Paul M. Schiff
- 1974 – New Jersey’s 15th congressional district (Comm.) – lost
Stephen Harvey Schiff
- 1988 – New Mexico’s 1st congressional district (R) – won
- 1990 – New Mexico’s 1st congressional district (R) – won
- 1992 – New Mexico’s 1st congressional district (R) – won
- 1994 – New Mexico’s 1st congressional district (R) – won
- 1996 – New Mexico’s 1st congressional district (R) – won
Joseph Schiffer
- 1932 – Ohio’s 21st congressional district (Comm.) – lost
Andrew Charles Schiffler
- 1938 – West Virginia’s 1st congressional district (R) – won
- 1940 – West Virginia’s 1st congressional district (R) – lost
- 1942 – West Virginia’s 1st congressional district (R) – won
- 1944 – West Virginia’s 1st congressional district (R) – lost
Louis Schifrin
- 1952 – New York’s 25th congressional district (Liberal) – lost
- 1954 – New York’s 22nd congressional district (Liberal) – lost
Philip M. Schiliro
- 1992 – New York’s 4th congressional district (D, Liberal) – lost
- 1994 – New York’s 4th congressional district (D) – lost
Jill Schiller
- 2018 – Ohio’s 2nd congressional district (D) – lost
David M. Schilling
- 2020 – Louisiana’s 2nd congressional district (R) – lost
Henry Schilling
- 1920 – Illinois’ at large congressional district (SL) – lost
Robert Todd Schilling
- 2010 – Illinois’ 17th congressional district (R) – won
- 2012 – Illinois’ 17th congressional district (R) – lost
- 2014 – Illinois’ 17th congressional district (R) – lost
Donald L. Schilson
- 1968 – Illinois’ 20th congressional district (D) – lost
Max Schimpf
- 1920 – New York’s 4th congressional district (Proh.) – lost
Richard A. Schindewolf, Jr.
- 1988 – New Jersey’s 2nd congressional district (Pro-Life Conservative) – lost
Anthony A. Schinella
- 1998 – Massachusetts’ 8th congressional district (Unenrolled) – lost
Gerrie Schipske
- 2000 – California’s 38th congressional district (D) – lost
- 2002 – California’s 46th congressional district (D) – lost
Jack Schira
- 1988 – Ohio’s 7th congressional district (D) – lost
- 1990 – Ohio’s 7th congressional district (D) – lost
Darwin Gale Schisler
- 1964 – Illinois’ 19th congressional district (D) – won
- 1966 – Illinois’ 19th congressional district (D) – lost
James J. Schissler
- 1956 – Pennsylvania’s 5th congressional district (R) – lost
Robert Lee Schlachter
- 1964 – New Jersey’s 12th congressional district (CON) – lost
- 1966 – United States Senate (New Jersey) (CON) – lost
Victor L. Schlaeger
- 1932 – Illinois’ 2nd congressional district (D) – lost
Phyllis McAlpin Schlafly
- 1952 – Illinois’ 24th congressional district (R) – lost
- 1960 – Illinois’ 24th congressional district (R) – lost
- 1970 – Illinois’ 23rd congressional district (R) – lost
Ian Schlakman
- 2014 – Maryland’s 2nd congressional district (G) – lost
Harley Schlanger
- 1976 – North Carolina’s 9th congressional district (Labor) – lost
Harold P. Schlechtweg
- 1974 – Indiana’s 7th congressional district (SW) – lost
Henry W. Schlegel
- 1920 – Pennsylvania’s at large congressional district (S) – lost
Ernest Schlenter
- 1922 – Michigan’s 1st congressional district (S) – lost
Henry J. Schleper
- 1924 – Missouri’s 10th congressional district (D) – lost
Alan Schlesinger
- 2006 – United States Senate (Connecticut) (R) – lost
Bennett I. Schlessel
- 1950 – New York’s 21st congressional district (D) – lost
Craig Schley
- 2008 – New York’s 15th congressional district (Vote People Change) – lost
- 2010 – New York’s 15th congressional district (IND, Vote People Change) – lost
- 2012 – New York’s 13th congressional district (R) – lost
Tobias Schlingensiepen
- 2012 – Kansas’ 2nd congressional district (D) – lost
Leslie B. Schlingheyde
- 1952 – California’s 11th congressional district (D) – lost
Harry Schlissel
- 1924 – New York’s 12th congressional district (R) – lost
Lester E. Schlitz
- 1974 – Virginia’s 4th congressional district (D) – lost
Ken Schloemer
- 1992 – Illinois’ 17th congressional district (R) – lost
Morley Schloss
- 1970 – New York’s 36th congressional district (Liberal) – lost
David A. Schlossberg
- 1946 – New York’s 23rd congressional district (American Labor) – lost
Joseph Schlossberg
- 1938 – New York’s 19th congressional district (American Labor, S) – lost
Schlossberg
- 1928 – Connecticut’s 3rd congressional district (Workers) – lost
- 1930 – Connecticut’s 3rd congressional district (Comm.) – lost
David Schlosser
- 2006 – Arizona’s 1st congressional district (L) – lost
William E. Schluter
- 1976 – New Jersey’s 13th congressional district (R) – lost
John C. Schmarkey
- 1970 – Alabama’s 6th congressional district (D) – lost
Ray Schmauch
- 1946 – Kentucky’s 8th congressional district (R) – lost
Edward Schmerling
- 2010 – California’s 32nd congressional district (R) – lost
Kim Schmett
- 2008 – Iowa’s 3rd congressional district (R) – lost
Stephanie Schmid
- 2020 – New Jersey’s 4th congressional district (D) – lost
John Richard Schmidhauser
- 1964 – Iowa’s 1st congressional district (D) – won
- 1966 – Iowa’s 1st congressional district (D) – lost
- 1968 – Iowa’s 1st congressional district (D) – lost
