Ronald Joseph Mariano (born October 31, 1946) is an American politician currently serving as the Speaker of the Massachusetts House of Representatives.

His priorities for the 193rd Massachusetts General Court include child care affordability, public transport reliability, and oversight of hospital mergers and acquisitions.

[4] In October 2023, Mariano indicated that he intends to run for Speaker of the Massachusetts House of Representatives during the 2025-2026 legislative session.

[7] In December 2021, Mariano received the Norman B. Leventhal Excellence in City Building Award in the environment category.

[8] Mariano was the 2022 recipient of the Massachusetts Immigrant & Refugee Advocacy Coalition's Change Maker Award.