| Visitor Name | arrival | departure | Institution | CCPP Host |
| Alex Vilenkin | 10/15/2023 | 10/24/2023 | Tufts | Kleban |
| Eliezer Rabinovici | 10/06/2023 | 10/31/2023 | Hebrew University of Jerusalem | Kleban |
| Milan Bogosavlijevic | 08/09/2023 | 08/14/2023 | NYUAD | Ali-Haimoud |
| Benjamin Wandelt | 07/30/2023 | 08/19/2023 | Institut Astrophysique de Paris, Sorbonne | Admin |
| Milan Bogosavlijevic | 07/20/2023 | 07/24/2023 | NYUAD | Ali-Haimoud |
| Lawrence Hall | 07/15/2023 | 07/30/2023 | UC Berkeley | Ruderman |
| Keisuke Harigaya | 07/15/2023 | 07/30/2023 | U Chicago | Ruderman |
| Benjamin Wandelt | 07/15/2023 | 07/30/2023 | Institut Astrophysique de Paris, Sorbonne | Farrar |
| Or Graur | 06/12/2023 | 06/15/2023 | University of Portsmouth | Blanton |
| Chris Nagele | 06/09/2023 | 06/09/2023 | Haverford | Admin (Kleban) |
| Foteini Oikonomou | 05/19/2023 | 06/02/2023 | Norwegian University of Science and Technology | Farrar |
| Michael Unger | 05/19/2023 | 06/02/2023 | Karlsruhe Institute of Technology | Farrar |
| Jiaxi Yu | 05/18/2023 | 05/22/2023 | EPFL | Tinker |
| Elena Pinetti | 05/12/2023 | 05/19/2023 | Fermilab | Ruderman |
| Benedikt Schosser | 05/11/2023 | 05/12/2023 | Heidelberg University | Pullen |
| Dam Thanh Son | 05/09/2023 | 05/12/2023 | U Chicago | Wang (Garcia) |
| Foteini Oikonomou | 05/08/2023 | 05/15/2023 | Norwegian University of Science and Technology | Farrar |
| Michael Unger | 05/08/2023 | 05/15/2023 | Karlsruhe Institute of Technology | Farrar |
| Victor Gorbenko | 05/06/2023 | 05/09/2023 | EPFL (Lausanne) | Dubovsky |
| Nicolas Boulanger | 05/05/2023 | 05/05/2023 | University of Mons, Belgium | Porrati |
| Alex Vilenkin | 05/03/2023 | 05/25/2023 | Tufts | Kleban |
| Weishuang Linda Xu | 05/01/2023 | 05/06/2023 | UC Berkeley + LBL | Garcia |
| Shany Danieli | 04/30/2023 | 05/03/2023 | Princeton University | Admin |
| John Eiler | 04/27/2023 | 05/04/2023 | CalTech | Admin (Farrar) |
| Babis Anastasiou | 04/24/2023 | 04/28/2023 | ETH (Zurich) | Dubovsky |
| Soubhik Kumar | 04/24/2023 | 04/30/2023 | UC Berkeley | Garcia |
| Maya Fishback | 04/24/2023 | 04/27/2023 | University of Toronto | Blanton (AstSem) |
| Michela Petrini | 04/21/2023 | 04/24/2023 | LPTHE and Sorbonne University, Paris, France | Porrati |
| John Eiler | 04/20/2023 | 04/23/2023 | CalTech | Admin |
| Satya Gontcho a Gontcho | 04/19/2023 | 04/21/2023 | Lawrence Berkeley National Lab | Pullen |
| Yuval Grossman | 04/13/2023 | 04/18/2023 | Cornell | Ruderman |
| Magdalena Siwek | 04/13/2023 | 04/23/2023 | Harvard University | Blanton (AstSem) |
| Matt Reece | 04/11/2023 | 04/13/2023 | Harvard | Garcia |
| David Kaplan | 04/08/2023 | 04/28/2023 | U Washington | Weiner |
| Mark Eriksson | 04/05/2023 | 04/07/2023 | University of Wisconsin, Madison | Admin |
| Daniel Kapec | 04/04/2023 | 04/06/2023 | Harvard University | Popov |
| Massimiliano Riva | 04/03/2023 | 04/21/2023 | Deutsches Elektronen-Synchrotron (DESY) Hamburg, Germany | Porrati |
| Mauro Peironi | 04/03/2023 | 04/11/2023 | CERN | Braglia (AstSem) |
| Teresa Bister | 04/02/2023 | 05/15/2023 | RWTH Aachen University | Farrar |
| Amara McCune | 03/31/2023 | 04/05/2023 | UC Santa Barbara | Ruderman |
| Itay Bloch | 03/31/2023 | 04/04/2023 | UC Berkeley | Slone (Ruderman) |
| Taj Jankovic | 03/29/2023 | 03/29/2023 | University of Nova Gorica | MacFadyen |
| Cristobal Corral | 03/28/2023 | 04/06/2023 | Universidad Arturo Prat, Chile | Giribet |
| George Wong | 03/28/2023 | 03/29/2023 | Institute for Advanced Study | Blanton (AstSem) |
| Hong Liu | 03/28/2023 | 03/30/2023 | Massachusetts Institute of Technology | Garcia (HepSem) |
| Xiaoliang Qi | 03/27/2023 | 03/29/2023 | Stanford University | Almheiri |
| Raju Venugopolan | 03/24/2023 | 03/24/2023 | Brookhaven National Laboratory | Dubovsky |
| Elizabeth Himwich | 03/23/2023 | 03/29/2023 | Harvard University | Pate |
| David Moore | 03/22/2023 | 03/22/2023 | Yale University | Garcia |
| Sara Seager | 03/21/2023 | 03/26/2023 | Massachusetts Institute of Technology | Farrar |
| Alyson Brooks | 03/21/2023 | 03/21/2023 | Rutgers | Blanton (AstSem) |
| Tien-Tien Yu | 03/20/2023 | 06/30/2023 | University of Oregon | Ruderman |
| Huangyu Xiao | 03/20/2023 | 03/24/2023 | Fermilab | Weiner |
| Qianshu Lu | 03/19/2023 | 03/23/2023 | Harvard University | Weiner |
| Christine Waite | 03/16/2023 | 03/20/2023 | Former CCPP | Admin |
| Karim Benabed | 03/15/2023 | 03/15/2023 | Institut d’Astrophysique de Paris | Scoccimarro |
| Christian Jepsen | 03/14/2023 | 03/15/2023 | Simons Center for Geometry and Physics | Popov |
| Jayme Kim | 03/14/2023 | 03/17/2023 | Syracuse University | Porrati |
| Valentino Foit | 03/13/2023 | 06/08/2023 | NYUAD | Kleban |
| Matthew Heydeman | 03/13/2023 | 03/14/2023 | Princeton/IAS | Wang |
| Yiming Chen | 03/13/2023 | 03/14/2023 | Princeton | Wang |
| Mengyang Zhang | 03/13/2023 | 03/14/2023 | Princeton | Wang |
| Moaz Abdelmaguid | 03/12/2023 | 03/24/2023 | NYUAD | Gelfand |
| Eberhardt Lorenz | 03/10/2023 | 03/10/2023 | Institute for Advanced Study | Popov (HepSem) |
| Zoltan Ligeti | 03/10/2023 | 03/13/2023 | LBNL | Ruderman |
| Stefania Gori | 03/10/2023 | 03/12/2023 | UC Santa Cruz | Ruderman |
| Franco Pezzella | 03/10/2023 | 03/13/2023 | INFN, Naples, Italy | Porrati |
| Aleix Gimenez-Grau | 03/09/2023 | 03/16/2023 | IHES | Wang |
| Melissa Ness | 03/07/2023 | 03/07/2023 | Columbia University | Blanton (AstSem) |
| Moaz Abdelmaguid | 03/06/2023 | 03/10/2023 | NYUAD | Gelfand |
| Emily Griffith | 03/06/2023 | 03/09/2023 | University of Colorado | Hogg |
| Kevin Kelly | 03/04/2023 | 03/09/2023 | Texas A&M | Ruderman |
| Viraf Mehta | 03/03/2023 | 03/16/2023 | Gottingen University | Kleban |
| Huangyu Xiao | 03/03/2023 | 03/06/2023 | Fermilab | Weiner |
| Joaquin Turiaci | 03/01/2023 | 03/01/2023 | IAS | Garcia |
| Francesco Pezzella | 02/28/2023 | 03/03/2023 | INFN, Naples, Italy | Porrati |
| Gil Rafael | 02/22/2023 | 02/25/2023 | CalTech | Admin |
| Tomer Yavetz | 02/21/2023 | 02/21/2023 | Institute for Advanced Study | Blanton |
| David Spergel | 02/16/2023 | 02/16/2023 | Flatiron | Gruzinov |
| Alberto Nicolis | 02/15/2023 | 02/15/2023 | Columbia University | Popov (HepSem) |
| Lam Hui | 02/14/2023 | 02/14/2023 | Columbia University | Blanton |
| Kim Berghaus | 02/07/2023 | 02/10/2023 | Stony Brook | Garcia |
| Eli Waxman | 02/05/2023 | 02/12/2023 | Weizmann Institute | Gruzinov (AstSem) |
| Ibrahim Bah | 01/31/2023 | 02/01/2023 | Johns Hopkins University | Wang (HepSem) |
| Sasha Tchekhovskoy | 01/30/2023 | 02/02/2023 | Northwestern University | Blanton |
| Katie Breivik | 01/24/2023 | 01/24/2023 | Flatiron Institute | Blanton |
| Julio Parra-Martinez | 01/24/2023 | 01/27/2023 | Caltech | Garcia |
| Cristiano Germani | 01/22/2023 | 01/29/2023 | University of Barcelona | Ali-Haimoud |
| Aaron Hillman | 01/18/2023 | 01/18/2023 | Princeton | Garcia |
| Jan Heisig | 01/07/2023 | 01/11/2023 | U. of Virgina | Ruderman |
| John March-Russel | 01/04/2023 | 01/13/2023 | University of Oxford | Admin |
| Ingyin Zaw | 12/18/2022 | 01/13/2023 | NYUAD | Admin |
| Joseph Gelfand | 12/14/2022 | 01/01/2023 | NYUAD | Admin |
| Samson Shatashvili | 11/16/2022 | 01/02/2023 | Trinity College Dublin | Gabadadze |