Assassinated American activist Charlie Kirk has been lionised at the opening of a major conservative conference in Brisbane which has attracted Australia's leading names on the political right.

In her first high-profile appearance since being dumped as opposition defence spokeswoman, Jacinta Nampijinpa Price began by referencing the slain MAGA influencer.

"To the family of Charlie Kirk, you have my respect and the respect of the audience today," she said to robust applause at the CPAC forum.

"Let me hear you roar for Charlie and for freedom of speech."

Mr Kirk, a close ally of US President Donald Trump, was fatally shot at a university event in Utah last week.

He was well known across internet communities favoured by young conservative males.

Senator Bridget McKenzie also cited Mr Ki

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