Party treasurer Stuart Fraser will replace Senator Rennick in the third spot, after winning a close vote against him and former federal Young Liberals vice-president turned consultant Nelson Savanh.
Senators Paul Scarr and Susan McDonald were preselected in the top two spots on the ticket, as expected.
Senator Rennick gained notoriety during the pandemic for questioning the efficacy of vaccines and mandates and has controversial views on issues such as Ukraine and immigration.
LNP members will gather for the party's Queensland convention this weekend where scores of resolutions have been circulated.
Federal Opposition Leader Peter Dutton and state Opposition Leader David Crisafulli will speak at the three-day event.
Mr Crisafulli is looking forward to a weekend that will include a wide range of policy ideas.
"There will be several hundred motions debated over the course of the weekend and we are a better political movement for that," he said.
While resolutions have no concrete impact in terms of policies to take to state and federal elections, they give an insight into the issues front and centre for grassroots members.
Energy and climate will be of particular focus, as the party's science and innovation committee calls for a commitment to "research, development and commercialisation" of nuclear fusion by the next federal coalition government.
The Callide branch in central Queensland wants the next LNP state government to protect agricultural land from renewable energy development, while Inala is calling for a cost-benefit analysis of the state's 70 per cent renewable energy plan by 2032.
The redevelopment of the Gabba stadium ahead of the 2032 Brisbane Olympics and Paralympics will likely be opposed by the Clayfield branch, which wants the state to host a "fiscally responsible Games".
Resolutions from the LNP Women group include the suspension of all "puberty blockers, hormone treatment and surgical intervention" for children under 18 until a review of the treatment of paediatric gender dysphoria is completed.
The convention comes ahead of the July 15 by-election in the southeast Queensland electorate of Fadden, triggered by the resignation of former federal Liberal minister Stuart Robert.
The LNP holds the seat by a margin of 10.6 per cent and has chosen Gold Coast councillor Cameron Caldwell as its candidate.
Queensland's next state election is scheduled for October 26, 2024.
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