List of Miss Grand International 2023 preliminary contests

The 11th edition of the Miss Grand International pageant was held at the Phú Thọ Indoor Stadium in Ho Chi Minh City, Vietnam on October 25, 2023, in which candidates from 71 countries and territories participated. These candidates were elected as the country representatives through different methods, such as through the Miss Grand National which was held to select the country representative for Miss Grand International specifically,  or appointed by another national pageant organizer, in which the main winner was sent to compete on other international stages. Some of them were assigned as the representatives without competing at any national pageant in this particular year.

Overview
As per data collected in the National preliminary contest section, 48 national pageant was held to elect the country representatives for Miss Grand International 2023. Thirty-four of which was the Miss Grand National pageants (A1). Five was other national contests that sent their main winners to Miss Grand International 2023 (A2). Six national contests listed the Miss Grand title as one of the supplement awards (B1). Meanwhile, the remaining 3 contestants later appointed its runner-up as Miss Grand National titleholder (B2), including the representatives of Gibraltar, and Denmark. and Nepal. All the remaining candidates were either determined through the casting or appointed without participating in any respective national pageants (C1 and C2), such as the representative of Hong Kong.

Four replacements and two withdrawal have been observed, including:
 * Ecuador: Véronique Michielsen, the winner of Miss Grand Ecuador 2023, was replaced by the first runner-up, Andrea Ojeda Fernández, after getting pregnant during her reign.
 * India: The appointed, Kashish Methwani, was replaced by a newly elected, Arshina Sumbul, due to some contract agreement between Miss Grand International PCL and the Miss Grand India license holder.
 * Portugal: Anais Cerreira, who was named Miss Grand Portugal 2023 in the Miss República Portuguesa 2023 contest, was replaced by an appointed, Filipa Gama, for undisclosed reasons.
 * Trinidad and Tobago: The Miss Grand Trinidad and Tobago 2023 winner, Mileidy Materano, resigned from the title, and the first runner-up, Rebekah Hislop, automatically took over the title and competed internationally as the replacement.
 * Guadeloupe: Laura Ballonad, who was named Miss Grand Guadeloupe 2023 in the Miss International Guadeloupe 2023 pageant, did not compete internationally for unrevealed reasons.
 * South Sudan: The appointed Amylia Deng was unable to travel to Vietnam due to visa issues, which caused her to withdraw.

In this edition, a total of eleven countries withdrew, five countries debuted, and seven countries returned, making the total 70 countries that participated. The information is summarized below.

National preliminary contest
The following is a list of Miss Grand International 2023's national preliminary contests, which were categorized by the country representative selection methods.