2018 Challenger Banque Nationale de Saguenay
Date	22–28 October
Edition	13th
Category	ITF Women's Circuit
Prize money	$60,000
Surface	Hard / Indoor
Location	Saguenay, Quebec, Canada
Champions
Singles
Katherine Sebov
Doubles
Tara Moore / Conny Perrin
← 2017 · Challenger de Saguenay · 2019 →

The 2018 Challenger Banque Nationale de Saguenay was a professional tennis tournament played on indoor hard courts. It was the thirteenth edition of the tournament and was part of the 2018 ITF Women's Circuit. It took place in Saguenay, Quebec, Canada, on 22–28 October 2018.

Singles main draw entrants

Seeds

Country	Player	Rank1	Seed
UKR	Kateryna Kozlova	106	1
SUI	Conny Perrin	135	2
NED	Richèl Hogenkamp	160	3
GBR	Naomi Broady	164	4
BUL	Elitsa Kostova	210	5
FRA	Jessika Ponchet	229	6
CAN	Bianca Andreescu	242	7
BEL	Kimberley Zimmermann	248	8

• ¹ Rankings as of 15 October 2018.

Other entrants

The following players received a wildcard into the singles main draw:

• Carson Branstine
• Jada Bui
• Petra Januskova
• Alexandra Vagramov

The following players received entry from the qualifying draw:

• Hayley Carter
• Jessica Ho
• Daria Lopatetska
• Kennedy Shaffer

Champions

Singles

• Katherine Sebov def. Quirine Lemoine, 7–6^(12–10), 7–6^(7–4)[1]

Doubles

• Tara Moore / Conny Perrin def. Sharon Fichman / Maria Sanchez, 6–0, 5–7, [10–7]