Ottawa Senators trades
| Tampa Bay Lightning acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Andreas Johansson | June 30, 1999 | Rob Zamuner |  |
| rights to sign Rick Dudley as GM | 2000 or 2001 or 2002 2nd round pick (2002 #34-Tobias Stephan) | |||
| Anaheim Ducks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 1999 2nd round pick (#44-Jordan Leopold) | June 26, 1999 | 1999 2nd round pick (#48-Simon Lajeunesse) | |
| 1999 7th round pick (#201-Mikko Ruutu) | ||||
| Anaheim Ducks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Ted Donato | June 18, 1999 | Patrick Lalime | |
| rights to Antti-Jussi Niemi | ||||
| Atlanta Thrashers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Damian Rhodes | June 18, 1999 | future considerations | |
| Chicago Blackhawks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Chris Murray | March 23, 1999 | Nelson Emerson | |
| New York Islanders acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 1999 4th round pick (#123-Preston Mizzi) | March 20, 1999 | Ted Donato | |
| New York Islanders acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| cash | March 19, 1999 | Chris Luongo | |
| Chicago Blackhawks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Radim Bicanek | March 12, 1999 | 1999 6th round pick (#164-Martin Prusek) | |
| Florida Panthers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 1999 6th round pick (#184-Justin Cox) | March 8, 1999 | Viacheslav Butsayev | |
| New York Rangers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Stanislav Neckar | November 27, 1998 | Bill Berg | |
| 1999 2nd round pick (#44-Jordan Leopold) | ||||
| Philadelphia Flyers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Mike Maneluk | October 21, 1998 | future considerations | |
| Chicago Blackhawks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Justin Hocking | August 21, 1998 | Brian Felsner | |
| San Jose Sharks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 1999 8th round pick (#241-Douglas Murray) | June 27, 1998 | 1998 8th round pick (#223-Sergei Verenkin) | |
| Toronto Maple Leafs acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | 1998 8th round pick (#215-Dwight Wolfe) | March 17, 1998 | Per Gustafsson | |
| Edmonton Oilers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Frantisek Musil | March 9, 1998 | Scott Ferguson | |
| Philadelphia Flyers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Alexandre Daigle | January 17, 1998 | Pat Falloon | |
| Vaclav Prospal | ||||
| 1998 2nd round pick (#58-Chris Bala) | ||||
| Carolina Hurricanes acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Sean Hill | November 17, 1997 | Chris Murray | |
| Philadelphia Flyers acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Mike Maneluk | October 21, 1997 | cash | |
| Chicago Blackhawks acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
| Kirk Daubenspeck | September 24, 1997 | 1998 6th round pick (#161-Chris Neil) | |
| future considerations | ||||
| St. Louis Blues acquire | Date | Ottawa Senators acquire | ||
|---|---|---|---|---|
 | Steve Duchesne | August 25, 1997 | Igor Kravchuk | |