New Mecklenburg may refer to:
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Gomersal, South Australia
Gomersal is a locality on the western side of the Barossa Valley in South Australia. It is between the Sturt Highway (which mostly bypasses the valley to the west and north) and the North Para River and town of Tanunda on the valley floor. Prio ...
, village in the Barossa Valley renamed in 1918
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Marysville, California, county seat of Yuba County
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New Ireland (island), large island in the state of Papua New Guinea, known as Neu Mecklenburg while under German colonial control from 1885 to 1914
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New Ireland Province, administrative division of Papua New Guinea
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Westgarthtown, Victoria was known as Neu Mecklenburg from establishment around 1850 until World War I when it was absorbed into Thomastown
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