2023 Internazionali di Tennis Città di Vicenza

{{TennisEventInfo|2023|Internazionali di Tennis Città di Vicenza|

| date=29 May – 4 June

| edition=8th

| surface=Clay

| location=Vicenza, Italy

| champs={{flagicon|ARG}} Francisco Comesaña

| champd={{flagicon|IND}} Anirudh Chandrasekar / {{flagicon|IND}} Vijay Sundar Prashanth

}}

The 2023 Internazionali di Tennis Città di Vicenza was a professional tennis tournament played on clay courts. It was the eighth edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Vicenza, Italy between 29 May and 4 June 2023.

Singles main-draw entrants

class="sortable wikitable"
width="70"\| Country ! width="175"\| Player ! Rank¹ ! Seed
{{flag\|ITA}} \|Francesco Passaro \|128 \|1
{{flag\|ITA}} \|Luca Nardi \|151 \|2
{{flag\|CZE}} \|Vít Kopřiva \|162 \|3
{{flag\|ITA}} \|Riccardo Bonadio \|164 \|4
{{flag\|ITA}} \|Franco Agamenone \|166 \|5
{{flag\|ITA}} \|Mattia Bellucci \|167 \|6
{{flag\|BEL}} \|Kimmer Coppejans \|170 \|7
{{flag\|JPN}} \|Sho Shimabukuro \|178 \|8

class="sortable wikitable"

width="70"| Country

! width="175"| Player

! Rank¹

! Seed

|128

|151

|162

|164

|166

|167

|170

|178

¹ Rankings are as of 22 May 2023.{{cite web|url=http://www.atptour.com/en/rankings/singles|title=Rankings – Singles – ATP Tour – Tennis|website=ATP Tour}}