Desafío en Río Bravo

{{Infobox film

| name = Desafío en Río Bravo

| image = Gunmenriogrand.jpg

| caption = US film poster

| director = Tulio Demicheli

| producer = Italo Zingarelli (credited as Ike Zingarmann)

| writer = Guy Lionel
Gene Luotto
Natividad Zaro
Tulio Demicheli

| narrator =

| starring = Guy Madison
Madeleine Lebeau
Fernando Sancho

| music = Angelo Francesco Lavagnino

| cinematography = Mario Capriotti

| editing =

| distributor = Allied Artists (US)

| released = {{Film date|1964|11|19|df=yes}}

| runtime = 85 minutes

| country = Italy

| language = Italian

| budget =

}}

Desafío en Río Bravo/Gunmen of the Rio Grande ({{langx|it|Sfida a Rio Bravo}}, {{langx|fr|Duel à Rio Bravo}} is a 1964 Italian, Spanish and French international co-production Spaghetti Western film directed by Tulio Demicheli. Filmed at Almería, Spain and shot in Techniscope, it stars Guy Madison as Wyatt Earp in his first leading spaghetti western role.p. 168 Rainey, Buck Western Gunslingers in Fact and on Film: Hollywood's Famous Lawmen and Outlaws McFarland, 1 Jan 1998

Plot

Saloon keeper Jennie Lee is fed up with Zack "The Snake" Williams trying to take over Clementine Hewitt's silver mine. She contacts her friend Wyatt Earp to bring justice to the Arizona Territory.