Sarah-Ann Lynch is an American diplomat who served as United States ambassador to Guyana from 2019 to 2023.

Lynch served as a Peace Corps volunteer in Morocco, where she taught English at the secondary level.

[3] A career diplomat, Lynch was appointed by President Donald Trump as a non-political appointee, meaning she does not have ties to a political party.

[4] During Lynch's tenure she was highly regarded as an effective diplomat and played an important role in U.S. relations in the Caribbean.

She also plays a proactive role in message development and strategic communication, driving integration, alignment, and collaboration across the USSOUTHCOM enterprise and with interagency partners.