The Greece men's under-18 national basketball team (Greek: Εθνική ομάδα καλαθοσφαίρισης Εφήβων Κ-18 Ελλάδας, Greece youth U-18 men's national basketball team) is the representative national basketball team of Greece in international men's youth basketball competitions, such as the FIBA Europe Under-18 Championship. It is organized and run by the Hellenic Basketball Federation.
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| Joined FIBA | 1932 | ||
|---|---|---|---|
| FIBA zone | FIBA Europe | ||
| Coach | Vangelis Ziagkos | ||
| FIBA Europe Under-18 Championship | |||
| Appearances | 31 | ||
| Medals |  Gold: 2008, 2015 Silver: 1970, 2007 Bronze: 1998, 2000, 2002 | ||
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FIBA Europe Under-18 Championship edit
| Year | Position |
|---|---|
 1964 |
Did not participate |
| 1966
| |
 1968 |
6th |
 1970 |
|
 1972 |
9th |
 1974 |
7th |
| 1976 |
7th |
| 1978 |
6th |
| 1980 |
Did not participate |
 1982
| |
 1984 |
9th |
 1986 |
6th |
| 1988 |
4th |
 1990 |
8th |
 1992 |
4th |
 1994 |
6th |
| 1996 |
7th |
| 1998 |
|
 2000 |
|
 2002 |
|
| 2004 |
7th |
 2005 |
13th |
| 2006 |
6th |
| 2007 |
|
| 2008 |
|
| 2009 |
13th |
 2010 |
8th |
 2011 |
14th |
 2012 |
11th |
| 2013 |
11th |
 2014 |
4th |
| 2015 |
|
| 2016 |
9th |
 2017 |
7th |
| 2018 |
14th |
| 2019 |
4th |
| 2022 |
12th |
| 2023 |
7th |
| Total | 34/38 |