|1999 NLL season|
|League||National Lacrosse League|
|Duration||December 26, 1998 – April 23, 1999|
|Number of games||12|
|Number of teams||7|
|League champions||Toronto Rock|
|Season MVP||Gary Gait (Baltimore Thunder)|
|Top scorer||Gary Gait (Baltimore Thunder)|
|Finals MVP||Colin Doyle (Toronto)|
The 1999 National Lacrosse League season is the 13th season in the NLL that began on December 26, 1998, and concluded with the championship game on April 23, 1999. The Toronto Rock celebrated their first season in Toronto by winning the championship, defeating the Rochester Knighthawks 13-10 at Maple Leaf Gardens.
The playoffs featured the lowest score by a team in NLL history, when goaltender Bob Watson and the Toronto Rock defeated the Philadelphia Wings 13-2.
The only change of teams from the 1998 NLL season to 1999 was the movement of the Ontario Raiders from Hamilton down the QEW to Toronto to become the Toronto Rock.
|1||Toronto Rock – xyz||12||9||3||.750||0.0||6–0||3–3||157||139||+18||13.08||11.58|
|2||Baltimore Thunder – x||12||8||4||.667||1.0||5–1||3–3||211||175||+36||17.58||14.58|
|3||Rochester Knighthawks – x||12||8||4||.667||1.0||4–2||4–2||169||160||+9||14.08||13.33|
|4||Philadelphia Wings – x||12||5||7||.417||4.0||4–2||1–5||153||153||0||12.75||12.75|
|5||New York Saints||12||5||7||.417||4.0||2–4||3–3||149||156||-7||12.42||13.00|
x: Clinched playoff berth; c: Clinched playoff berth by crossing over to another division; y: Clinched division; z: Clinched best regular season record; GP: Games Played
W: Wins; L: Losses; GB: Games back; PCT: Win percentage; Home: Record at Home; Road: Record on the Road; GF: Goals scored; GA: Goals allowed
Differential: Difference between goals scored and allowed; GF/GP: Average number of goals scored per game; GA/GP: Average number of goals allowed per game
The 1999 All-Star Game took place at the Blue Cross Arena in Rochester, where Team Canada defeated Team USA by a score of 25-24.
|MVP Award||Gary Gait||Baltimore|
|Rookie of the Year Award||Jesse Hubbard||Baltimore|
|Championship Game MVP||Colin Doyle||Toronto|
Each week, a player is awarded "Player of the Week" honours.
|Week||Player of the Week|
|3||Gary Gait (tie)|
Awards are also given out monthly for the best overall player and best rookie.
|Jan||Gary Gait||Chris Sanderson|
|Feb||Bob Watson||Matt Disher|
|Mar||Jake Bergey||Casey Powell|
Bold numbers indicate new single-season records. Italics indicate tied single-season records.
|Penalty Minutes||Tony Millon||Syracuse||59|
|Shots on Goal||Gary Gait||Baltimore||157|
|Loose Balls||Jim Veltman||Toronto||166|
|Save Pct||Dallas Eliuk||Philadelphia||76.4|