Boston Celtics has won 17 NBA Championship Ring. Tied with the Los Angeles Lakers to won the most NBA Chmapionship Ring is the NBA history.
Additionally, championship rings are won in year 1957, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1968, 1969, 1974, 1976, 1981, 1984, 1986 and 2008.
Likewise, lets take a loot at the NBA Championship ring won by the Boston Celtics.

1957 Boston Celtics NBA championship Ring

Similarly, to say nothing of winning the St. Louis Hawks 4-3 in the NBA finals get the Celtics their first NBA championship ring.
Futhermore, honorable mention Celtics Hall of Fwarriiorsamer, Bob Cousy, Tom Heinsohn, Andy Philip, Frank Ramsey, Arnie Risen, Bill Russell and Bill Sharman.
1959 NBA Ring

The Boston Celtics swept the Lakers 4–0.
Again, this was the start of the skein of the Celtics’ eight consecutive championships, from 1959–1966.
To date, this is the most recent time that an NBA team from Minnesota appeared in an NBA Finals, as well as the first of two times in NBA history that a team with a losing record made the NBA Finals for instance.
1960 NBA Ring

The best-of-seven series was played between the Western Conference champion St. Louis Hawks and the Eastern Conference champion Boston Celtics.
It was Boston’s fourth trip to the NBA Finals and St. Louis’ third. The Celtics beat the Hawks 4–3.
The Rivalry
Boston Celtics have a notable rivalry with the Los Angeles Lakers, which was heavily highlighted throughout the 1960s and 1980s.
During the two teams’ many match-ups in the 1980s, the Celtics’ star, Larry Bird, and the Lakers’ star, Magic Johnson, had an ongoing feud.
The franchise has played the Lakers a record 12 times in the NBA Finals, including recent appearances in 2008 and 2010, of which the Celtics have won nine.
Four Celtics players, Bob Cousy, Bill Russell, Dave Cowens and Larry Bird have won the NBA Most Valuable Player Award for an NBA record total of 10 MVP awards.
Both the nickname “Celtics” and their mascot “Lucky the Leprechaun” are a nod to Boston’s historically large Irish population.
Also, to the Original Celtics, a marquee team prior to the NBA.
1961 Boston Celtics NBA Champion Ring
This was the fourth and final World Championship Series meeting between the two teams.
It was also Celtics’ fifth straight trip to the championship series, and they won the series against the Hawks, 4–1.
1962 Boston Celtics NBA Champion Ring

This was the Boston Celtics’ sixth straight trip to the Finals, and they won the best-of-seven series in Game 7, 110–107 in overtime.
Furthermore, it was the second time in NBA history and the most recent Finals in which the series was decided by overtime in Game 7.
Also known as the only other Finals series decided in overtime in the seventh game was the 1957 Finals.
1963 Boston Celtics NBA Ring

This was the Celtics’ seventh straight trip to the championship series, and they won the series over the Los Angeles Lakers, 4–2.
1964 NBA Championship Ring

Boston Celtics’ eighth straight trip to the championship series, as they won the series over the Golden States Warriors, 4–1.
Firstly, this was the first time Bill Russell and Wilt Chamberlain faced off in the NBA Finals; they would do so once again in 1969.
Secondly, this was also the first meeting between the Celtics and Golden States Warriors in the NBA Finals; they would meet each other again in 2022.
1965 NBA Championship Ring

The Boston Celtics made their ninth-straight trip to the championship finals after beating the Philadelphia 76ers in a highly contested Eastern Division Finals.
Due to series ended on John Havlicek’s steal of the ball.
Los Angeles Lakers made it to their third Finals in four seasons after beating Baltimore in six games.
Although it came at a cost as Elgin Baylor suffered a knee injury that would sideline him for the rest of the playoffs. The Celtics won the series over the Lakers, 4–1.[
1966 Champion Ring

The Boston Celtics won its eighth consecutive NBA Championship Ring, which no other team has achieved in North American professional sports competition.
Nevertheless, before Game 2, after the Los Angeles Lakers’ comeback overtime win in Game 1, Red Auerbach, who had challenged the entire league to topple the Celtics from their reign by announcing he would retire after 1965–1966 before the season.
Likewise, Bill Russell announced to be the Celtics’ coach for 1966–1967 and beyond. He would be the first African-American to coach in the NBA.
Los Angeles Laker coach Fred Schaus privately fumed that Auerbach’s hiring had taken away all of the accolades his Lakers should have received following their tremendous Game 1 win.
Furthermore, Boston Celtics won the next three games and looked ready to close out L.A. in Game 5.
However, the Lakers won the next two games, setting the stage for another classic Game 7 in the Boston Garden.
Above all, Celtics raced out to a huge lead, and held off a late Los Angeles rally to capture the NBA title and send Red Auerbach out a champion. Bring home another NBA Championship ring to the franchise.
1968 Champion Ring

Likewise, this series ended with a 4-2 over the Los Angeles Lakers.
1969 Championship Ring

As a matter of fact the Boston Celtics’ finals victory – the last championship of the Bill Russell dynasty – is considered one of the great upsets in NBA history.
Furthermore, this series is also notable in that West, with an average of nearly 38 points a game, won the Finals Most Valuable Player award.
On the condition of being on the losing team. This was the first year a Finals MVP award was given, and it remains the only time in NBA Finals history that the MVP was awarded to a player on the losing team.
Subsequently, it marked the first time in NBA Finals history that a Game 7 was won by the road team.
1974 NBA Ring

John Havlicek named the MVP of the NBA Finals this season.
Initially, defeating the Milwaukee Bucks 4-3 led by Kareem Abdul Jabbar also known as Lew Alcindor.
What’s more, bringing home another NBA Championship Ring. Also to mention Celtics hall of famer Jo Jo White, Paul Westphal and Dave Cowens.
1976 NBA Ring

Due to the fact that beating the Phoenix Suns 4-2 in the NBA Finals gives the Boston Celtics another NBA Championship ring adding to the franchise history,
Jo Jo White was named the Finals MVP this season.
1981 NBA Ring

Larry Bird led the Celtics to win the NBA Championship ring this season by defeating the Houston Rockets led by Moses Malone.
In addition, the MVP was given to Cedric Maxwell.
1984 NBA Champion Ring

This series was the long-awaited rematch of the Los Angeles Lakers and Boston Celtics after their rivalry was revived in 1979.
With the Magic Johnson–Larry Bird pair entering the league. After the Lakers won Game 1, a crucial steal in Game 2 led to a tie game and the Celtics were able to win in overtime to tie the series.
The Los Angeles Lakers won Game 3 easily and almost won Game 4, but were again thwarted.
Now tied 2-2, the Lakers and Celtics each held serve at their home court to send the series to Boston for Game 7.
Game 5 was a classic, with Bird coming up with a huge game in one of the hottest games ever in the non-air conditioned Boston Garden.
While game 7 was also contested in hot temperatures that hovered around 91 °F.
Moreover, the score was close but the contest eventually went to the Celtics. Cedric Maxwell scored 24 points against the Los Angeles Lakers in the decisive Game 7 victory.
1986 Boston Celtics NBA Championship Ring

The heavily favored Boston Celtics defeated the Rockets four games to two to win their 16th NBA championship.
Correspondingly, this NBA Championship Ring would be the Celtics’ last until 2008. Larry Bird was named the Finals MVP.
2008 Boston Celtics NBA Championship Ring
The 2008 Boston Celtics championship team was famously led by the organization’s “Big 3” in Paul Pierce, Ray Allen, and Kevin Garnett.
Additionally, Rajon Rondo was part of this team that season.
Similarly, was the first season the triumvirate played together. Prior to acquiring Allen from the Seattle SuperSonics and Garnett from the Minnesota Timberwolves in a blockbuster 7-to-1 player trade.
Celtics had won just 24 of its 82 games in the 2006–07 NBA regular season.
Alternatively, the formation of the All-Star trifecta in the summer of 2007 positioned the new-look Celtics as a popular favorite to win the 2008 NBA Finals.
As a result, the Celtics defeated their rivalry Los Angeles Lakers led by Kobe Bryant.
Lastly, bringing home their 17th and the last NBA Championship ring.