84		The Merry Widow (Musical, Comedy, Romance, 1934)
74		The Love Parade (Comedy, Musical, Romance, 1929)
72		Design for Living (Comedy, Romance, 1933)
65		One Hour with You (Comedy, Musical, Romance, 1932)
60		You Were Never Lovelier (Comedy, Musical, Romance, 1942)
60		42nd Street (Comedy, Musical, Romance, 1933)
59		Trouble in Paradise (Comedy, Crime, Romance, 1932)
57		Singin' in the Rain (Comedy, Musical, Romance, 1952)
56		Horse Feathers (Comedy, Musical, Romance, 1932)
56		Love Me Tonight (Comedy, Musical, Romance, 1932)
55		You'll Never Get Rich (Comedy, Musical, Romance, 1941)
55		Stage Door Canteen (Comedy, Musical, Romance, 1943)
54		Swing Time (Comedy, Musical, Romance, 1936)
50		Romance on the High Seas (Comedy, Musical, Romance, 1948)
50		Kiss Me Kate (Comedy, Musical, Romance, 1953)
50		High Society (Comedy, Musical, Romance, 1956)
50		Gigi (Comedy, Musical, Romance, 1958)
49		Angel (Comedy, Drama, Romance, 1937)
49		Show Boat (Comedy, Drama, Musical, Romance, 1936)
49		Top Hat (Comedy, Musical, Romance, 1935)
49		Dames (Comedy, Musical, Romance, 1934)
49		Bluebeard's Eighth Wife (Comedy, Romance, 1938)
49		Flying Down to Rio (Comedy, Musical, Romance, 1933)
48		The Man Who Came to Dinner (Comedy, Romance, 1942)
48		The Major and the Minor (Comedy, Romance, 1942)
47		27 Dresses (Comedy, Romance, 2008)
47		Chaos Theory (Comedy, Drama, Romance, 2008)
47		Platinum Blonde (Comedy, Romance, 1931)
47		For Me and My Gal (Musical, Romance, War, 1942)
46		Road to Singapore (Comedy, Musical, Romance, 1940)
45		Take Me Out to the Ball Game (Comedy, Musical, Romance, 1949)
45		The Emperor Waltz (Comedy, Musical, Romance, 1948)
45		Bride & Prejudice (Comedy, Drama, Musical, Romance, 2004)
45		The Gay Divorcee (Comedy, Musical, Romance, 1934)
45		Royal Wedding (Comedy, Musical, Romance, 1951)
45		The Philadelphia Story (Comedy, Romance, 1940)
45		Cover Girl (Comedy, Musical, Romance, 1944)
45		Footlight Parade (Comedy, Musical, Romance, 1933)
44		I'm No Angel (Comedy, Musical, Romance, 1933)
44		Double Wedding (Comedy, Romance, 1937)
44		Cain and Mabel (Comedy, Musical, Romance, 1936)
44		Dancing Lady (Musical, Comedy, Romance, 1933)
44		Midnight (Comedy, Romance, 1939)
43		The Circus (Comedy, Romance, 1928)
43		Adam's Rib (Comedy, Drama, Romance, 1949)
43		Follow the Fleet (Comedy, Musical, Romance, 1936)
43		Roberta (Comedy, Musical, Romance, 1935)
43		Shall We Dance (Comedy, Musical, Romance, 1937)
43		Husbands and Wives (Comedy, Drama, Romance, 1992)
43		It Happened One Night (Comedy, Romance, 1934)
42		A Guy Thing (Comedy, Romance, 2003)
42		Bollywood/Hollywood (Romance, Comedy, Drama, 2002)
42		A Damsel in Distress (Comedy, Musical, Romance, 1937)
42		Carefree (Comedy, Musical, Romance, 1938)
42		Never on Sunday (Comedy, Drama, Romance, 1960)
42		The Swan (Comedy, Romance, Drama, 1956)
42		Touch of Pink (Drama, Comedy, Romance, 2004)
42		I Married a Witch (Comedy, Fantasy, Romance, 1942)
42		It Takes Two (Comedy, Family, Romance, 1995)
42		The Wedding Singer (Comedy, Music, Romance, 1998)
42		Mr. Jealousy (Comedy, Romance, 1997)
42		Made of Honor (Comedy, Romance, 2008)
42		The Last Kiss (Comedy, Drama, Romance, 2006)
42		Grumpy Old Men (Comedy, Drama, Romance, 1993)
42		Wedding Crashers (Comedy, Romance, 2005)
42		The Strawberry Blonde (Comedy, Romance, 1941)
42		Confetti (Comedy, Music, Romance, 2006)
42		Alles is liefde (Comedy, Romance, 2007)
42		The Red Mill (Comedy, Romance, 1927)
42		My Wife Is an Actress (Comedy, Drama, Romance, 2001)
42		Along Came Jones (Comedy, Romance, Western, 1945)
42		Kiss Me, Stupid (Comedy, Romance, 1964)
41		Good News (Comedy, Musical, Romance, 1947)
41		White Christmas (Comedy, Musical, Romance, 1954)
41		The Band Wagon (Comedy, Musical, Romance, 1953)
41		On the Town (Comedy, Musical, Romance, 1949)
41		Libeled Lady (Comedy, Romance, 1936)
41		The Boy Friend (Comedy, Musical, Romance, 1971)
41		Ruggles of Red Gap (Comedy, Romance, 1935)
41		Sherlock Jr. (Action, Comedy, Romance, 1924)
41		The Music Man (Comedy, Musical, Romance, 1962)
40		The Pirates of Penzance (Comedy, Musical, Romance, 1983)
40		The Devil Is a Woman (Comedy, Drama, Romance, 1935)
40		In the Good Old Summertime (Comedy, Musical, Romance, 1949)
40		Live a Little, Love a Little (Comedy, Musical, Romance, 1968)
40		Tea for Two (Comedy, Musical, Romance, 1950)
40		The Awful Truth (Comedy, Romance, 1937)
40		The Inspector General (Comedy, Musical, Romance, 1949)
40		Thoroughly Modern Millie (Comedy, Musical, Romance, 1967)
40		Earth Girls Are Easy (Comedy, Musical, Romance, 1988)
40		In the Navy (Comedy, Musical, Romance, 1941)
40		Love's Labour's Lost (Romance, Comedy, Musical, 2000)
40		Romance & Cigarettes (Comedy, Musical, Romance, 2005)
40		Babes on Broadway (Comedy, Musical, Romance, 1941)
40		Jhankaar Beats (Comedy, Musical, Romance, 2003)
40		I'll Be There (Comedy, Musical, Romance, 2003)
40		Girl Crazy (Comedy, Musical, Romance, 1943)
40		Everyone Says I Love You (Comedy, Musical, Romance, 1996)
40		The Shop Around the Corner (Comedy, Drama, Romance, 1940)
40		Hollywood Canteen (Comedy, Musical, Romance, 1944)
40		Mamma Mia! (Comedy, Family, Musical, Romance, 2008)
40		The Gang's All Here (Comedy, Musical, Romance, 1943)
40		Pot o' Gold (Comedy, Musical, Romance, 1941)
40		Spinout (Comedy, Musical, Romance, 1966)
40		Funny Face (Comedy, Musical, Romance, 1957)
40		Silk Stockings (Comedy, Musical, Romance, 1957)
40		Follow That Dream (Comedy, Musical, Romance, 1962)
40		My Sister Eileen (Musical, Comedy, Romance, 1955)
40		Bringing Up Baby (Comedy, Family, Romance, 1938)
40		Guys and Dolls (Comedy, Musical, Romance, 1955)
40		Let's Make Love (Comedy, Musical, Romance, 1960)
40		Flower Drum Song (Comedy, Musical, Romance, 1961)
40		Artists and Models (Comedy, Musical, Romance, 1955)
40		The Tender Trap (Comedy, Musical, Romance, 1955)
40		Ever Since Eve (Comedy, Romance, 1937)
40		Bells Are Ringing (Comedy, Musical, Romance, 1960)
40		It Happened at the World's Fair (Comedy, Musical, Romance, 1963)
40		Kissin' Cousins (Comedy, Musical, Romance, 1964)
40		Girl Happy (Comedy, Musical, Romance, 1965)
40		Calamity Jane (Comedy, Musical, Romance, 1953)
40		Damn Yankees! (Comedy, Musical, Romance, 1958)
40		Frankie and Johnny (Comedy, Musical, Romance, 1966)
40		Beach Party (Comedy, Musical, Romance, 1963)
40		On Moonlight Bay (Comedy, Musical, Romance, 1951)
39		Roman Holiday (Comedy, Romance, 1953)
39		Ninotchka (Comedy, Romance, 1939)
38		The Palm Beach Story (Romance, Comedy, 1942)
38		The Time of Their Lives (Comedy, Fantasy, Romance, 1946)
38		The Purple Rose of Cairo (Comedy, Fantasy, Romance, 1985)
38		Unfaithfully Yours (Comedy, Music, Romance, 1948)
38		It Happened on Fifth Avenue (Comedy, Music, Romance, 1947)
38		The Mating Season (Comedy, Drama, Romance, 1951)
38		(500) Days of Summer (Comedy, Drama, Romance, 2009)
38		Cluny Brown (Comedy, Romance, 1946)
38		The Catered Affair (Comedy, Drama, Romance, 1956)
38		Flipped (Comedy, Drama, Romance, 2010)
38		The Invisible Woman (Comedy, Romance, Sci-Fi, 1940)
38		My Favorite Wife (Comedy, Romance, 1940)
37		How to Make an American Quilt (Comedy, Drama, Romance, 1995)
37		Dilwale Dulhania Le Jayenge (Comedy, Drama, Musical, Romance, 1995)
37		Monster-in-Law (Comedy, Romance, 2005)
37		Unfaithfully Yours (Comedy, Music, Romance, 1984)
37		Casse-tête chinois (Comedy, Drama, Romance, 2013)
37		Humpty Sharma Ki Dulhania (Comedy, Drama, Romance, 2014)
37		Bend It Like Beckham (Comedy, Drama, Romance, 2002)
37		The Sweetest Thing (Comedy, Romance, 2002)
37		My Best Friend's Girl (Comedy, Romance, 2008)
37		Still Breathing (Comedy, Drama, Romance, 1997)
37		Queens (Comedy, Romance, 2005)
37		About Adam (Comedy, Romance, 2000)
37		The Best Man (Comedy, Romance, 2005)
37		Father of the Bride (Comedy, Romance, 1950)
37		I Was a Male War Bride (Comedy, Romance, War, 1949)
37		I Love You, Man (Comedy, Romance, 2009)
37		Who's That Girl (Comedy, Music, Romance, 1987)
37		Father's Little Dividend (Comedy, Romance, 1951)
37		Arthur (Comedy, Romance, 2011)
37		Run, Fatboy, Run (Comedy, Romance, Sport, 2007)
37		Runaway Bride (Comedy, Romance, 1999)
37		Red-Headed Woman (Comedy, Romance, 1932)
37		All Night Long (Comedy, Drama, Romance, 1981)
37		L'amour dure trois ans (Comedy, Romance, 2011)
37		13 Going on 30 (Comedy, Fantasy, Romance, 2004)
37		The Emperor's New Clothes (Comedy, Drama, Romance, 2001)
37		Support Your Local Sheriff! (Action, Comedy, Romance, 1969)
37		Hum Tum (Drama, Romance, Comedy, 2004)
37		Slightly Single in L.A. (Comedy, Romance, 2013)
37		Sex and the Single Girl (Comedy, Romance, 1964)
37		Monsoon Wedding (Comedy, Drama, Romance, 2001)
37		Two Can Play That Game (Comedy, Romance, 2001)
37		My Big Fat Greek Wedding 2 (Comedy, Family, Romance, 2016)
37		The Yellow Rolls-Royce (Drama, Romance, Comedy, 1964)
37		Muriel's Wedding (Comedy, Drama, Romance, 1994)
37		Roseanna's Grave (Comedy, Romance, Drama, 1997)
37		I Think I Do (Comedy, Romance, 1997)
37		My Big Fat Greek Wedding (Comedy, Family, Romance, 2002)
37		10 (Comedy, Romance, 1979)
37		Jewel Robbery (Comedy, Crime, Romance, 1932)
37		My Best Friend's Wedding (Comedy, Romance, 1997)
37		The Parent Trap (Comedy, Family, Romance, 1961)
37		Irma la Douce (Comedy, Romance, 1963)
37		Picture Perfect (Comedy, Drama, Romance, 1997)
37		Hasee Toh Phasee (Comedy, Romance, 2014)
37		Den skaldede frisør (Comedy, Romance, 2012)
37		The Wedding Date (Comedy, Romance, 2005)
37		Brigadoon (Fantasy, Musical, Romance, 1954)
37		L'arnacoeur (Comedy, Romance, 2010)
37		How to Deal (Comedy, Drama, Romance, 2003)
37		You Stupid Man (Comedy, Romance, 2002)
37		The Other Sister (Comedy, Drama, Romance, 1999)
37		Our Family Wedding (Comedy, Romance, 2010)
37		The Egg and I (Comedy, Romance, 1947)
37		Enemies: A Love Story (Comedy, Drama, Romance, 1989)
37		Without Reservations (Comedy, Romance, 1946)
37		Soapdish (Comedy, Romance, 1991)
37		Father of the Bride (Comedy, Family, Romance, 1991)
37		A Foreign Affair (Comedy, Drama, Romance, 1948)
37		When in Rome (Comedy, Romance, 2010)
37		Down with Love (Comedy, Romance, 2003)
37		Your Friends & Neighbors (Comedy, Drama, Romance, 1998)
37		The Very Thought of You (Comedy, Romance, 1998)
37		Betsy's Wedding (Comedy, Romance, 1990)
37		Bedrooms and Hallways (Comedy, Romance, 1998)

Notes: Movies similar to The Smiling Lieutenant, Movies like The Smiling Lieutenant, Comedy, Romance, Musical, Ernst Lubitsch, Maurice Chevalier, Claudette Colbert, Miriam Hopkins, Charles Ruggles, Films, Video, Movie Similarities