| 2026 | 21 | 21st Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2026, Sherbrooke, Québec, Canada, August 31 - September 4, 2026 | Sherbrooke | |
| 2025 | 20 | 20th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2025, Indian Institute of Science, Bengaluru, India, September 15-19, 2025 | Bengaluru | |
| 2024 | 19 | 19th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2024, Okinawa, Japan, September 9-13, 2024 | Okinawa | |
| 2023 | 18 | 18th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2023, Aveiro, Portugal, July 24-28, 2023 | Aveiro | |
| 2022 | 17 | 17th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2022, Urbana Champaign, Illinois, USA, July 11-15, 2022 | Champaign–Urbana metropolitan area | |
| 2021 | 16 | 16th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2021, Virtual Conference, July 5-8, 2021 | | |
| 2020 | 15 | 15th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2020, Riga, Latvia, June 9-12, 2020 | Riga | |
| 2019 | 14 | 14th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2019, University of Maryland, College Park, Maryland, USA, June 3-5, 2019 TQC | College Park | 2019-06-03/05 |
| 2018 | 13 | 13th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2018, Sydney, Australia, July 16-18, 2018 TQC | Sydney | 2018-07-16/18 |
| 2017 | 12 | 12th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2017, Paris, France, June 14-16, 2017 TQC | Paris | 2017-06-14/16 |
| 2016 | 11 | 11th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2016, Berlin, Germany, September 27-29, 2016 TQC | Berlin | 2016-09-27/29 |
| 2015 | 10 | 10th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2015, Brussels, Belgium, May 20-22, 2015 TQC | Brussels | 2015-05-20/22 |
| 2014 | 9 | 9th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2014, Singapore, May 21-23, 2014 TQC | Singapore | 2014-05-21/23 |
| 2013 | 8 | 8th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2013, Guelph, Canada, May 21-23, 2013 TQC | Guelph | 2013-05-21/23 |
| 2012 | 7 | Conference on Quantum Computation, Communication, and Cryptography TQC | Tokyo | 2012-05-17/19 |
| 2011 | 6 | Conference on Quantum Computation, Communication, and Cryptography TQC 2011, TQC | Madrid | 2011-05-24/26 |
| 2010 | 5 | Conference on Quantum Computation, Communication, and Cryptography TQC | Leeds | 2010-04-13/15 |
| 2009 | 4 | Workshop on Quantum Computation, Communication, and Cryptography TQC | Waterloo | 2009-05-11/13 |
| 2008 | 3 | Workshop on Quantum Computation, Communication, and Cryptography TQC | Tokyo | 2008-01-30 to 2008-02-01 |