Newcastle was a provincial electoral district in the Canadian province of British Columbia to the south and including some of the city of Nanaimo. It was created in 1903, and lasted until 1924, when it was largely replaced by Cowichan-Newcastle.
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|- |colspan=3|Total valid votes |align="right"|709 |align="right"|100.00
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|- bgcolor="white" |colspan=3|Total valid votes |align="right"|555 |align="right"|100.00
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|- |colspan=3|Total valid votes |align="right"|720 |align="right"|100.00
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|- |colspan=3|Total valid votes |align="right"|759 |align="right"|100.00
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|- |colspan=3|Total valid votes |align="right"|982 |align="right"|100.00