Greg Harnett

{{Short description|Canadian lacrosse player}}

{{Infobox lacrosse player

| name = Greg Harnett

| position = Defence

| shoots = Left

| height_ft = 5

| height_in = 11

| weight_lb = 185

| nll_team = Buffalo Bandits

| nll_draft = 11th overall

| nll_draft_year = 2011

| nll_draft_team = Calgary Roughnecks

| birth_date = {{birth date and age|1990|6|30|mf=y}}

| birth_place = Toronto, Ontario, Canada

| career_start = 2012

| gender = m

|former_nll_teams=Calgary Roughnecks}}

Greg Harnett (born June 30, 1990 in Toronto, Ontario) is a Canadian professional box lacrosse defenceman who plays for the Buffalo Bandits in the National Lacrosse League. He previously played for the Calgary Roughnecks, wearing #50.{{cite web|title=Greg Harnett|url=http://www.calgaryroughnecks.com/site/necks/page.asp?page=player&playerID=11|website=Calgary Roughnecks|accessdate=19 June 2015|archive-url=https://web.archive.org/web/20150619195129/http://www.calgaryroughnecks.com/site/necks/page.asp?page=player&playerID=11|archive-date=19 June 2015|url-status=dead}} He was drafted in the 2nd round (11th overall) in the 2011 NLL Entry Draft. After playing 9 years with the Roughneck, Harnett signed a 1-year contract with the Bandits prior to the 2023 season.{{Cite web |date=2022-09-22 |title=2022 NLL Free Agency Tracker: Shawn Evans Heads West to Vancouver Warriors |url=https://www.insidelacrosse.com/article/2022-nll-free-agency-tracker-shawn-evans-heads-west-to-vancouver-warriors/60134 |access-date=2022-10-28 |website=Inside Lacrosse}}

Harnett's brother, Jon, is also a lacrosse player.