| 17303414 | X-ray Cooling Flows: Inflows, Star Formation and AGN Fueling, and Outflows/Reheating | 1010045 | 2014 | Co-Investigator | | Dr Salome Philippe | Co-Investigator | | Dr Forman William | Co-Investigator | | Dr Combes Francoise | Co-Investigator | | Dr Ohyama Youichi | Co-Investigator | | Professor Broadhurst Thomas James | Co-Investigator | | Professor Ferland Gary J | Co-Investigator | | Dr David Laurence P | Co-Investigator | | Dr Trung Dinh Van | Co-Investigator | | Dr Vrtilek Jan |
| Principal Investigator (PI) | | |
|
| 200807170011 | XIIIth meeting of the European Society for Immunodeficies (ESID) Primary Immunodeficiences (PID) Genetic Diagnostic Network for Asia | 16500 | 2008 | | |
| 201507170007 | XIX INQUA 2015 ; Stratification-induced variations in nutrient utilization in the Polar North Atlantic during past interglacials | 10627 | 2015 | | Principal Investigator (PI) | | |
|
| ITP/006/24LP | XR+CV Based Occupational Safety and Health Training Reinforcement, Assessment, and Personalized Recommendations | 3628756 | 2024 | | Principal Investigator (PI) | | |
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| 17604522 | Xunzi's Metaethics and Metaethical Constructivism | 314000 | 2022 | | Principal Investigator (PI) | | |
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| N/A | Xylariaceae of Australia | 19800 | 1999 | Co-Investigator | | Professor Whalley |
| Principal Investigator (PI) | | Professor Hyde, Kevin David |
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| 17619523 | Yangban as Graphs: Networks of Patronage and Marriage in Medieval Korea, 900-1550 | 621500 | 2023 | | Principal Investigator (PI) | | |
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| N/A | Year-end IT survey of first year students 1999-2000 | 0 | 1999 | Co-Investigator | | Mr Ng Winston Kwan Wan | Co-Investigator | | Dr Lee Anita Chi Kwan |
| Principal Investigator (PI) | | Dr Blurton, Craig George |
|
| N/A | Year-end IT survey of first year students 2000-2001 | 0 | 2000 | Co-Investigator | | Mr Ng Winston Kwan Wan | Co-Investigator | | Dr Lee Anita Chi Kwan |
| Principal Investigator (PI) | | Dr Blurton, Craig George |
|
| N/A | Year-end IT survey of first year students 2001-2002 | 0 | 2001 | Co-Investigator | | Dr Lee Anita Chi Kwan |
| Principal Investigator (PI) | | Dr Blurton, Craig George |
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| 17506316 | You Speak, I Speak: The Dynamic Contagion Effects of Coworker Voice on Employee Voice | 510550 | 2016 | | Principal Investigator (PI) | | |
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| 324-12 | Young adult patient experiences in clinical management of ADHD in Hong Kong | 56250 | 2012 | | Principal Investigator (PI) | | |
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| 17660616 | Young Children Making Sense of Multi-Digit Numbers | 662584 | 2016 | Co-Investigator | | Professor Okamoto Yukari |
| Principal Investigator (PI) | | |
|
| - | Young Investigator Research Grant 2012 | 50000 | 2012 | | |
| HKU 442208H | Young Offenders on Probation Orders: A Panel Study in Hong Kong | 721600 | 2008 | Co-Investigator | | Professor McConville Michael James |
| Principal Investigator (PI) | | |
|
| HKU 743511H | Young People's Knowledge and Experience of Legal Personnel in Hong Kong | 518228 | 2011 | Co-Investigator | | Dr Ong Rebecca Yoke Chan |
| Principal Investigator (PI) | | |
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| HKU 7455/05H | Youth and empire: young people in the colonies of Britain and France, 1890-1940 | 511241 | 2005 | | |
| 18040084 | Youth Quitline: an accessible telephone-based smoking cessation hotline for youth | 300000 | 2005 | Co-Investigator | | Dr Abdullah Abu Saleh Md | Co-Investigator | | | Co-Investigator | | | Co-Investigator | | | Co-Investigator | | |
| Principal Investigator (PI) | | |
|
| N/A | Youth sexuality study 1996 | 0 | 1995 | Co-Investigator | | Professor Ng Man Lun | Co-Investigator | | Professor Lee Wing Ho Peter | Co-Investigator | | | Co-Investigator | | null | Co-Investigator | | |
| Principal Investigator (PI) | | |
|
| N/A | Youth smoking survey 2003 | 513984 | 2003 | | |