A109 may refer to:
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Agusta A109, the former designation of the AgustaWestland AW109, a helicopter model
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A109 road (England)
List of A roads in zone 1 in Great Britain beginning north of the River Thames
The River Thames ( ), known alternatively in parts as the The Isis, River Isis, is a river that flows through southern England including London. At , it is ...
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A109 road (Kenya)
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RFA Abbeydale (A109)
RFA ''Abbeydale'' (A109) was a fleet tanker of the Royal Fleet Auxiliary and was originally one of six ships ordered by the British Tanker Co which were purchased on the stocks by the Admiralty. She was built by Swan Hunter and Wigham Richards ...
(1937–1959), a tanker of Britain's Royal Navy
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RFA Bayleaf (A109)
RFA ''Bayleaf'' (A109) was a Leaf-class support tanker of the Royal Fleet Auxiliary.
Construction
''Bayleaf'' was one of four ships ordered from Cammell Laird at Birkenhead in 1973, and laid down in 1975 as the ''Hudson Sound''. When the order ...
(1982–2011), a tanker of Britain's Royal Navy
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