The 61-year-old singer, who represented the UK with 'Believe In Me', finished 19th out of 26 acts last night with 23 points.
The Welsh singer is flying the flag for the UK at the annual contest, which takes place at the Malmö Arena in Sweden this evening.
Bookmakers have given the Neath-born singer odds of 40-1 to win the contest, which will take place in Sweden.
Speaking directly after the Eurovision final, television critic Leigh Holmwood said it would not come as a surprise to UK viewers that Bonnie Tyler did not place highly in the competition.
"The bookies never expected it," he told ITV News.
The Swansea singer had been placed at odds of 50-1 to win Eurovision with her song 'Believe In Me'.
Fans of Bonnie Tyler told ITV News they are proud of her Eurovision performance, despite the UK finishing 19th out of 26 acts in last night's final.
Welsh singer Bonnie Tyler performed in front of 11,000 people at the final technical rehearsal this afternoon ahead of tonight's Eurovision Song Contest.
This year the competition is being held at the Malmö Arena in Sweden.
Full video below.
Fans of Bonnie Tyler were the first to arrive at the Malmo Arena ahead of the Eurovision Song Contest tonight - some six hours before the show.
They told ITV News they wanted to get the best possible position in the arena to see the Swansea singer perform.
Bonnie Tyler has taken part in the final dress rehearsal for the 2013 Eurovision Song Contest - and was given one of the biggest cheers.
For the first time, all finalists marched into the arena together to open the show.
Bonnie may not win but is popular among many supporters.
Welsh fans proudly waved flags as Bonnie entered the arena, and when she sang she was given one of the loudest rounds of applause.
Earlier she told ITV News she had 'almost been brought to tears' at the support from fans in the UK.
11,000 people were in the Malmo Arena for the performance last night in Sweden. Today the final technical run-through will take place before the big show tonight.
Eurovision fans are gearing up to support Bonnie Tyler in tonight's competition. Preparations are underway for a party in Swansea city centre to coincide with the festivities.
The Neath-born singer takes to the stage in Sweden tonight to perform this year's entry 'Believe in Me.'
Swansea Council is organising an event in Castle Square from 6.30pm before the competition is shown on a big screen.
The Swansea singing star Bonnie Tyer has told ITV News how she's been brought "almost to tears" by messages of support from fans.
Twenty four hours before the Eurovision song contest begins in Sweden, Bonnie has been performing in her final rehearsal, as Mike Pearse reports from Malmo.
Bonnie Tyler has performed at her last major rehearsal before the Eurovision song contest on Saturday.
The Neath-born singer will perform 'Believe in Me' on stage in Malmo, Sweden.