Robert Prosser Tyler (born June 18, 1995) is an American former professional baseball pitcher.

Tyler attended Crisp County High School in Cordele, Georgia.

[7][8] Tyler signed with Colorado and was assigned to the Boise Hawks of the Class A-Short Season Northwest League, where he posted an 0–2 record and 6.43 ERA in five starts (seven innings).

[10] In 2018, he pitched for the Asheville Tourists of the Class A South Atlantic League and the Lancaster JetHawks of the Class A-Advanced California League, going a combined 4–3 with a 5.10 ERA over 47.2 innings.

Tyler played for Lancaster in 2019, going 1–0 with a 8.16 ERA over 28.2 innings.