| Ho Kwong Meng | 2258 | Civil | 1986-06-07 | Port and Building Consultants |
| Ho Nguyen Vu | 5050 | Civil | 2018-04-11 | P & T Consultants Pte. Ltd. |
| Ho Nyok Yong | 2753 | Civil | 1992-01-15 | Samwoh Corporation Pte. Ltd. |
| Ho Pui Ming | 3999 | Civil | 2005-09-20 | Land Transport Authority |
| Ho See Fong | 4388 | Electrical | 2011-01-19 | HY M&E Consultancy Services Pte. Ltd. |
| Ho See Ling | 4080 | Civil | 2006-10-17 | C P Lim & Partners LLP |
| Ho Shuey Yng | 5366 | Electrical | 2020-11-19 | Housing & Development Board |
| Ho Sing Yee | 5567 | Civil | 2023-06-22 | RSP Architects Planners & Engineers (Pte) Ltd |
| Ho Thian Seng | 2071 | Civil | 1984-07-31 | TS HO |
| Ho Toon Meng Andrew | 0938 | Electrical | 1974-06-21 | Andrew Ho & Associates |
| Ho Victor | 3716 | Mechanical | 2002-06-21 | Hilt Pte. Ltd. |
| Ho Wah Foo | 2746 | Civil | 1992-01-15 | Teamwork Consultants |
| Ho Wan Boon | 4567 | Civil | 2013-10-17 | - |
| Ho Wan Fong | 3160 | Mechanical | 1995-08-16 | J Roger Preston (Singapore) Pte Ltd |
| Ho Yee Chung | 5349 | Electrical | 2020-10-15 | SP Group |
| Ho Yin Shan | 5890 | Civil | 2026-05-28 | Arup Singapore Private Limited |
| Ho Yin Shan | 4134 | Electrical | 2007-02-23 | SP Group |
| Ho Yu Chee | 3104 | Civil | 1995-03-15 | DE Consultants (S) Pte Ltd |
| Ho Yun Fung Avery @ Ho Chung Tek Avery | 3325 | Civil | 1997-05-20 | - |
| Hoe Kam Cheng | 5346 | Mechanical | 2020-10-15 | Gims & Associates Pte Ltd |
| Hong Xiaoping Michelle | 4879 | Civil | 2017-05-22 | Building and Construction Authority |
| Hoo Ji Hao | 5618 | Electrical | 2024-01-25 | WSP Consultancy Pte. Ltd. |
| Hoo Wei Qiang | 4765 | Electrical | 2016-04-12 | CMP Consultants Private Limited |
| Hoong Jian Rui | 5834 | Electrical | 2026-01-22 | Civil Aviation Authority Of Singapore (CAAS) |
| Hor Khim Thye | 4701 | Mechanical | 2015-08-18 | Jacobs International Consultants Pte. Ltd. |
| Hor Thon Hern | 5479 | Electrical | 2022-08-25 | SP Group |
| Hor Zhi Liang Kenrick | 4814 | Electrical | 2016-09-22 | Defence Science and Technology Agency |
| Hou Lei | 4811 | Civil | 2016-09-22 | Land Transport Authority |
| Hou Li | 5301 | Civil | 2020-01-16 | Surbana Jurong Consultants Pte. Ltd. |
| How Seng Chuan | 4953 | Civil | 2017-10-23 | Jacobs International Consultants Pte. Ltd. |