B
| Title | Director | Cast | Genre | Notes |
|---|---|---|---|---|
| Babies for Sale | Charles Barton | Rochelle Hudson, Glenn Ford, Miles Mander | Drama | |
| Bad Man from Red Butte | Ray Taylor | Johnny Mack Brown, Bob Baker, Fuzzy Knight | Western | |
| The Bank Dick | Edward F. Cline | W. C. Fields, Cora Witherspoon, Una Merkel | Comedy | |
| Barnyard Follies | Frank McDonald | Mary Lee, Rufe Davis, June Storey | Musical | |
| Before I Hang | Nick Grinde | Boris Karloff, Evelyn Keyes, Bruce Bennett | Crime, Science fiction | |
| Behind the News | Joseph Santley | Lloyd Nolan, Doris Davenport, Frank Albertson | Drama | Nominated for Academy Award. |
| Beyond the Sacramento | Lambert Hillyer | Wild Bill Elliott, Evelyn Keyes, Dub Taylor | Western | |
| Beyond Tomorrow | A. Edward Sutherland | Harry Carey, C. Aubrey Smith, Charles Winninger | Fantasy Romance | |
| A Bill of Divorcement | John Farrow | Maureen O'Hara, Adolphe Menjou, Fay Bainter | Drama | Version of A Bill of Divorcement (1932 film). |
| Billy the Kid in Texas | Sam Newfield | Bob Steele, Terry Walker, Al St. John, Carleton Young | Western | 2nd (out of 6) film with Bob Steele in "Billy the Kid" series. |
| Billy the Kid Outlawed | Sam Newfield | Bob Steele, Louise Currie, Al St. John, Carleton Young | Western | 1st (out of 6) film with Bob Steele in "Billy the Kid" series. |
| Billy the Kid's Gun Justice | Sam Newfield | Bob Steele, Al St. John, Louise Currie, Carleton Young | Western | 3rd (out of 6) film with Bob Steele in "Billy the Kid" series. Version of Billy the Kid (1930 film). |
| The Biscuit Eater | Stuart Heisler | Billy Lee, Cordell Hickman, Richard Lane | Drama | |
| Bitter Sweet | W. S. Van Dyke | Jeanette MacDonald, Nelson Eddy, George Sanders | Musical | Nominated for 2 Academy Awards. Remake of Bitter Sweet (1933 British film). |
| Black Diamonds | Christy Cabanne | Richard Arlen, Andy Devine, Kathryn Adams Doty | Crime drama | |
| Black Friday | Arthur Lubin | Boris Karloff, Bela Lugosi, Stanley Ridges | Science fiction | |
| Blazing Six Shooters | Joseph H. Lewis | Charles Starrett, Iris Meredith, Dick Curtis | Western | |
| Blondie Has Servant Trouble | Frank R. Strayer | Penny Singleton, Arthur Lake | Comedy | 6th (out of 28) film with Blondie character. |
| Blondie on a Budget | Frank R. Strayer | Penny Singleton, Arthur Lake | Comedy | 5th (out of 28) film with Blondie character. |
| Blondie Plays Cupid | Frank R. Strayer | Penny Singleton, Arthur Lake | Comedy | 7th (out of 28) film with Blondie character. |
| The Blue Bird | Walter Lang | Shirley Temple, Spring Byington, Nigel Bruce | Fantasy | Nominated for 2 Academy Awards. |
| Boom Town | Jack Conway | Clark Gable, Spencer Tracy, Claudette Colbert | Adventure Drama | Nominated for 2 Academy Awards. #4 in Top Grossing Films. |
| Boss of Bullion City | Ray Taylor | Johnny Mack Brown, Fuzzy Knight, Nell O'Day | Western | |
| Bowery Boy | William Morgan | Dennis O'Keefe, Louise Campbell, Jimmy Lydon | Crime | |
| Boys of the City | Joseph H. Lewis | Bobby Jordan, Leo Gorcey, Hal E. Chester | Comedy Thriller | 2nd (out of 22) film of East Side Kids series. |
| The Boys from Syracuse | A. Edward Sutherland | Allan Jones, Irene Hervey, Martha Raye | Musical | Nominated for 2 Academy Awards. |
| Brigham Young | Henry Hathaway | Tyrone Power, Linda Darnell, Dean Jagger | Biography | |
| British Intelligence | Terry O. Morse | Boris Karloff, Margaret Lindsay, Bruce Lester | War Spy | Version of Three Faces East (1926 silent film). |
| Broadway Melody of 1940 | Norman Taurog | Fred Astaire, Eleanor Powell, George Murphy | Musical | 4th and final film of The Broadway Melody series. |
| Broken Strings | Bernard B. Ray | Clarence Muse, Sybil Lewis, William Washington | Drama | |
| Brother Orchid | Lloyd Bacon | Edward G. Robinson, Humphrey Bogart, Ann Sothern | Crime Comedy | |
| Brother Rat and a Baby | Ray Enright | Priscilla Lane, Wayne Morris, Jane Bryan | Comedy | Follows Brother Rat (1938 film). |
| Buck Benny Rides Again | Mark Sandrich | Jack Benny, Ellen Drew, Eddie Anderson | Comedy Western | |
| Bullet Code | David Howard | George O'Brien, Virginia Vale, Slim Whitaker | Western | Remake of Melody of the Plains (1937 film). |
| Bullets for Rustlers | Sam Nelson | Charles Starrett, Lorna Gray, Bob Nolan | Western | |
| Buzzy Rides the Range | Richard C. Kahn | Robert "Buzz" Henry, David O'Brien, Claire Rochelle | Western |
Read more about this topic: List Of American Films Of 1940