| Arnas Butkevičius | |
| Position: | Small forward |
| Height M: | 1.97 |
| Weight Kg: | 95 |
| Nationality: | Lithuanian |
| Team: | Žalgiris Kaunas |
| Number: | 51 |
| League: | LKL EuroLeague |
| Birth Date: | 1992 10, df=yes |
| Birth Place: | Klaipėda, Lithuania |
| Draft Year: | 2014 |
| Career Start: | 2009 |
| Years1: | 2009–2010 |
| Team1: | Kuršiai Neringa |
| Years2: | 2010–2012 |
| Team2: | Sakalai Vilnius |
| Years3: | 2012–2013 |
| Team3: | Lietkabelis Panevėžys |
| Years4: | 2013–2017 |
| Team4: | Neptūnas Klaipėda |
| Years5: | 2017–2022 |
| Team5: | Rytas Vilnius |
| Years6: | 2022–present |
| Team6: | Žalgiris Kaunas |
| Highlights: |
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Arnas Butkevičius (born 22 October 1992) is a Lithuanian professional basketball player for Žalgiris Kaunas of the Lithuanian Basketball League (LKL) and the EuroLeague.
Arnas was alumni of V.Knašius Basketball School at his young age, started his professional career at Neringa's Kuršiai in third Lithuanian league when he was 17. Next season he joined Sakalai in LKL. Arnas joined Neptūnas in 2013, after showing good performance in Lithuanian Basketball League playing for BC Lietkabelis scoring 8.1 points and 3.4 rebounds and 1.4 steals at his last season there, before the end of the season he joined Neptūnas for the playoffs. He quickly became an important part for the team, helping Neptūnas reach the LKL finals twice, as well as playing in the EuroLeague and EuroCup competitions.
|-| style="text-align:left;"| 2014–15| style="text-align:left;"| Neptūnas| 10 || 1 || 20.4 || .558 || .471 || .519 || 2.8 || 1.1 || .9 || .5 || 7.0 || 7.8|-| style="text-align:left;"| 2022–23| style="text-align:left;" rowspan="2"| Žalgiris| 37 || 12 || 22.5 || .414 || .254 || .873 || 3.6 || 1.6 || 1.1 || .3 || 5.3 || 7.4|-| style="text-align:left;"| 2023–24| 22 || 6 || 20.9 || .507 || .389 || .704 || 3.3 || .9 || .6 || .1 || 5.0 || 5.7|- class="sortbottom"| colspan=2 align=center | Career| 69 || 18 || 21.7 || .465 || .325 || .760 || 3.4 || 1.3 || .9 || .2 || 5.4 || 6.9