Roberts Hawaii Tours and Transportation is a tour bus operator in the state of Hawaii founded in 1941 by Robert Iwamoto Sr. as a one-man taxi company in Hanapepe, Kauai.

Roberts Hawaii has a fleet of motorcoaches, mini-buses, and vans.

Roberts Hawaii currently holds transportation contracts for many of Oʻahu's attractions, including Atlantis Submarines & Cruises, Germaine's Luau, USS Missouri, and Hilo Hatties.

In 2013, Roberts Hawaii acquired a $21,000,000 contract with the Hawaii State Department of Education to provide school bus service for 181 of O'ahu's 305 bus routes for the 2014 and 2015 school years.

[3] In 2009, Roberts Hawaii settled with the Environmental Protection Agency over allegations that the bus company failed to provide annual chemical inventory information to emergency responders, a requirement of facilities that use dangerous chemicals.