| |} Kentucky |- ! | Noble Jones Gregory | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Beverly M. Vincent | | Democratic | 1937 | | Incumbent retired.New member elected.Democratic hold. | nowrap | |- ! | Emmet O'Neal | | Democratic | 1934 | Incumbent re-elected. | nowrap | |- ! | Chester O. Carrier | | Republican | 1943 | | Incumbent lost re-election.New member elected.Democratic gain. | nowrap | |- ! | Brent Spence | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Virgil Chapman | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Andrew J. May | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | Joe B. Bates | | Democratic | 1930 | Incumbent re-elected. | nowrap | |- ! | John M. Robsion | | Republican | 1934 | Incumbent re-elected. | nowrap | |} Louisiana |- ! | F. Edward Hébert | | Democratic | 1940 | Incumbent re-elected. | nowrap | |- ! | Paul H. Maloney | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | James R. Domengeaux | | Democratic | 1940 | Incumbent re-elected. | nowrap | |- ! | Overton Brooks | | Democratic | 1936 | Incumbent re-elected. | nowrap | |- ! | Charles E. McKenzie | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | James H. Morrison | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | Henry D. Larcade Jr. | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | A. Leonard Allen | | Democratic | 1936 | Incumbent re-elected. | nowrap | |} Maine |- ! | Robert Hale | | Republican | 1942 | Incumbent re-elected. | nowrap | |- ! | Margaret Chase Smith | | Republican | 1940 | Incumbent re-elected. | nowrap | |- ! | Frank Fellows | | Republican | 1940 | Incumbent re-elected. | nowrap | |} Maryland |- ! | David Jenkins Ward | | Democratic | 1939 | | Incumbent lost renomination.New member elected.Democratic hold. | nowrap | |- ! | Harry Streett Baldwin | | Democratic | 1942 | Incumbent re-elected. | nowrap | |- ! | Thomas D'Alesandro Jr. | |