|Full name||Adam John Kwasnik|
|Date of birth||31 May 1983|
|Place of birth||Sydney, Australia|
|Height||1.79 m (5 ft 10 1⁄2 in)|
|Current club||Central Coast Mariners|
|2000–2001||Blacktown City Demons||6||(2)|
|2004–2005||Blacktown City Demons||10||(7)|
|2005–2008||Central Coast Mariners||62||(15)|
|2009–||Central Coast Mariners||74||(20)|
|2009||→ Blacktown City Demons (loan)||24||(7)|
|2011||→ Chengdu Blades (loan)||15||(5)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 2 December 2013.
† Appearances (Goals).
Kwasnik was scorer of the 200th goal in the Hyundai A-League on 20 January 2006. He is showed his potential by scoring 7 goals and two assists in the 06/07 season from 19 starts.
'Kwas', as he is known to team mates and fans alike, is the Mariners all-time leading goalscorers list with 30 goals. He also has his own superstition of training with one sock around his ankle and the other pulled up to his knee.
Lawrie McKinna has coached many teams whilst in Australia, Kwasnik has been in every one of those teams, however he made the decision to move the Wellington Phoenix for the 2008-2009 season.
After a disappointing season at the Phoenix, Kwasnik signed on 9 February 2009 with his former club Central Coast Mariners for the upcoming 2009 AFC Champions League and also for the 2009/2010 A-League season.
Kwasnik was loaned out to Chinese Super League club and Mariners sister club Chengdu Blades during the 2010-11 off-season. He debuted in the season opener against Shandong Luneng and equalized to make it 3-3. The game would finish 3-3.
- "Kwasnik back at Mariners from Wellington". The Age. 9 February 2009. Retrieved 22 February 2009.
- "Chengdu Blades look to recruit Central Coast Mariners striker Adam Kwasnik". Fox Sports. 20 March 2011. Retrieved 21 March 2011.
- "Shandong Luneng - Chengdu Blades 3-3". bet365. 1 April 2011. Retrieved 1 April 2011.