| 释义 |
- References
{{Use dmy dates|date=April 2015}}{{Infobox sportsperson
|name=
|image= Piet Kooyman 1955.jpg
| image_size = 240px
|caption= Piet Kooyman at the 1955 Olympia's Tour
|birth_date=3 June 1929
|birth_place=The Hague, the Netherlands
|death_date=7 April 1988 (aged 58)
|death_place=
| height =
| weight =
|sport=Cycling
|club=
|alma_mater=
| show-medals = yes
| medaltemplates =
}}Piet Kooyman (3 June 1929 – 7 April 1988) was a Dutch road cyclist who was active between 1950 and 1957. He won the overall Olympia's Tour in 1955 and one stage of the Olympia's Tour in 1957.References{{DEFAULTSORT:Kooyman, Piet}} 4 : 1929 births|1988 deaths|Dutch male cyclists|Sportspeople from The Hague |