The 2018 World RX of Canada was the seventh round of the fifth season of the FIA World Rallycross Championship. The event was held at the Circuit Trois-Rivières in Trois-Rivières, Quebec.
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|- style="text-align:center" |width="35%"|Previous race:<br/>2018 World RX of Sweden |width="40%"|FIA World Rallycross Championship<br/>2018 season |width="35%"|Next race:<br/>2018 World RX of France |- style="text-align:center" |width="35%"|Previous race:<br/>2017 World RX of Canada |width="40%"|World RX of Canada |width="35%"|Next race:<br/>2019 World RX of Canada |- style="text-align:center"