Katrin Ehrlich's works have been displayed in many joint exhibitions in Estonia, Denmark, Finland, Germany, Great Britain, Hungary, Italy, Latvia, Poland, Russia, Slovakia, Sweden, United Arab Emirates and the USA.

2023
VII Tallinn Illustrations Triennial (TIT 2023), Estonian Museum of Architecture
International exhibition of illustration "Fox Spirit. Fox Charm", Nadbałtyckie Centrum Kultury, Poland
Exhibition of Estonian illustrators "Fresh Book Pictures", Estonian Children’s Literature Centre, Tapa Library, Kärdla Library

2022
International exhibition of illustration "Fox Spirit. Fox Charm", Estonian Children's Literature Centre, Estonian National Museum, Latvian National Library
Participation in Sharjah Exhibition for Children's Books Illustrations, The United Arab Emirates
Solo exhibition "Journey with Story",  Tabasalu library
Tallinn Illustration Triennial TIT 2020, Centrum Kultury Dworek Białoprądnicki , Poland
Exhibition of Baltic illustrators "Running with Wolves. Werewolf", Italy and Latvia
Exhibition of Estonian illustrators "From the Mountains to the Sea", Kiili Library
Winter exhibition of Estonian illustrators, Kiili Library
Exhibition of Estonian illustrators "It's Christmas time", Estonian Children’s Literature Centre

2021
Biennial of Illustrations Bratislava (BIB), Slovakia
Exhibition of Baltic illustrators "Running with Wolves. Werewolf", Napoli, Rome, Frigento, Italy
Tallinn Illustrations Triennial TIT 2020, Moscow, Krasnoarmeysk, Russia
Group exhibition of Estonian illustrators "Leafing Through Estonian Children's Books IV", Moscow, Russia
TIT 2020 & "Leafing Through Estonian Children's Books IV", Mytishchi, Russia
"Fables for Robots", Estonian Children's Literature Centre, Central Library of Lääne County, Estonia; Gdansk, Poland
Exhibition of Estonian illustrators "Fox Spirit. Fox Charm", Estonian Children's Literature Centre, Central Library of Lääne County, Haapsalu, Estonia
Children's Books' Illustrations from Estonian artists", Kehra, Estonia
Exhibition of Estonian illustrators "From the Mountains to the Sea", Central Library of Lääne County, Haapsalu, Estonia
Exhibition of Estonian artists "Christmas Tale", Syktykvar, Komi Republic
"Leafing Through Estonian Children's Books V", Pskov, Russia
"Little Grimm", Kostivere, Estonia
Participation in Sharjah Exhibition for Children's Books Illustrations, The United Arab Emirates
International art project with "Studio 14" "Кицунэ. Лисьи чары", St. Petersburg, Russia

2020
Tallinn Illustrations Triennial (TIT), Estonia
Group exhibition of Estonian illustrators “Leafing Through Estonian Children’s Books III”, Moscow, Russia
International illustrations exhibition "It's Always Tea-Time", Vyborg; St. Petersburg; Kondas Centre, Viljandi, Estonia

2019–2020
Jubilee exhibition “The Story Has Wings”, Rapla, Rakvere, Jõgeva, Tartu, Kohila, Sõmeru

2019
Jubilee exhibition “Drawing Stories”, Estonian Children’s Literature Centre, Tallinn
Solo exhibition "Spring Whisper", Kostivere, Estonia
Solo exhibition “Picture's Secret”, Pärnu, Estonia
Spring exhibition of Estonian illustrators, Estonian Children’s Literature Centre
Exhibition of Estonian illustrators “From the Mountains to the Sea”, Kraków, Rabka-Zdrój, Elbląg, Poland
Group exhibition of Estonian illustrators “Leafing Through Estonian Children’s Books II”, Moscow, Kolomna, Russia

2018
Book Illustration Festival BookILL Fest, Novi Sad Fair, Banat Cultural Centre Gallery in Novo Miloševo, Serbia
Group exhibition of Estonian illustrators „Tra ghiaccio e fuoco“, Rome, Pesco Sannita, Italy

2018–2020
Exhibition of Baltic illustrators “Running with Wolves”, London, the United Kingdom; Estonian Children’s Literature Centre (“Wolf Run”), Tallinn; Gdańsk, Wrocław, Białystok, Warsaw, Płock, Szczecin, Poland; Pordenone, Italy; Vilnius, Lithuania

2018–2019
Exhibition of Estonian illustrators “Running with Wolves”, Estonian Children’s Literature Centre, Tallinn

2017
Tallinn Illustrations Triennial (TIT), Estonia
Spring exhibition of Estonian illustrators, Estonian Children’s Literature Centre

2016
Book Illustration Festival BookILL Fest, International Book Fair, Novi Sad, Serbia
Spring exhibition of Estonian illustrators, Estonian Children’s Literature Centre
Travelling exhibition of Estonian illustrators, “A Walk on the Path of Fairy Tale Together with Charles Perrault”, Moscow, Krasnoarmeysk, Mytishchi, Russia

2015
Biennial of Illustrations Bratislava (BIB), Slovakia

2015–2020
International illustration exhibition, “It’s Always Tea-Time”, Estonian Children’s Literature Centre, Tallinn; Riga, Latvia; Uusikaupunki, Finland; Gdansk, Wrocław, Toruń, Elbląg, Poland; Berlin, Germany; Szczecin, Płock, Poland; Budapest, Hungary; Oxford, the United Kingdom; Moscow, Krasnoarmeysk, Mytishchi, Vyborg, St. Petesburg, Russia

2015–2016
Travelling exhibition, “Made with the Heart. Estonian Children’s Book Illustration”, Moscow, Krasnoarmeysk, Cheboksary, Russia

2014
1st Riga Picture Book Quadrennial “Picture Story”, Latvia
European Professional Doll Art Festival, Riga, Latvia

2014–2017
“Tallinn Illustration Triennial 2013. Estonian Illustrators”, Estonia, Poland

2013
Biennial of Illustrations Bratislava (BIB), Slovakia
Tallinn Illustrations Triennial (TIT), Estonia
Travelling exhibition of Estonian illustration, “Etelästä tuulee – Lõunatuul puhub” (The South Wind Blows), Finland

2013–2015
Exhibition by Estonian and Hungarian Illustrators, “Crisscross Stories”, Estonia, Hungary, the United Kingdom

2012–2013
Exhibition by Estonian illustrators, “Old Fairy Tales” (Brothers Grimm), Estonia, Russia

2011 Biennial of Illustrations Bratislava (BIB), Slovakia

2011–2018
Exhibition of artists from the Baltic Sea countries, “Sea Fairy Tales”, Estonia, Finland, Russia, Poland, Germany, Denmark, Estonia

2010–2011
Travelling Exhibition of Estonian Book Illustration, Russia, Finland

2009
Biennial of Illustrations Bratislava (BIB), Slovakia
Tallinn Illustrations Triennial (TIT), Estonia

2008
Solo exhibition, Estonian Children’s Literature Centre, Tallinn, Estonia

2006
Tallinn Illustrations Triennial (TIT), Estonia