In the run-up to the 2021 Scottish Parliament election, various organisations conducted opinion polls to gauge voting intentions. Results of such polls are displayed in this list. Most of the pollsters listed were members of the British Polling Council (BPC) and abided by its disclosure rules. The date range for these opinion polls is from the previous Scottish Parliament election, held on 5 May 2016, to the 2021 election, held on 6 May 2021.