Petrof Bay

{{More citations needed|date=January 2025}}

{{Infobox body of water

| name = Petrof Bay

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| location = Alaska

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| coordinates = {{Coord|56|24|10|N|134|03|48|W|region:US-AK_type:waterbody_scale:250000|display=inline,title}}

| type = Bay

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Petrof Bay is a small bay on the west side of Kuiu Island in the Alexander Archipelago in southeastern Alaska, United States. It is located at {{Coord|56|N|134|W}} and opens into the Chatham Strait.

The bay was named in 1924 for U.S. Census Bureau employee Ivan Petrof, whose reports of his travels in the late 19th century are a valuable source of Alaska history for that period.{{Cite web |title=Escort Carrier Petrof Bay (CVE-80) |url=https://ww2db.com/ship_spec.php?ship_id=460 |access-date=2025-01-09 |website=WW2DB}}

The US Navy aircraft carrier USS Petrof Bay, launched in January 1944, was named after it.