是的，在AWS EKS Fargate中，可以使用Istio。要在AWS EKS Fargate上运行Istio，需要按照以下步骤操作：

1. 在AWS EKS集群上安装Istio Control Plane

istioctl install --set profile=demo -y

2. 在Fargate之前使用Istio配置sidercar注入

apiVersion: v1
kind: Namespace
metadata:
  name: app
  labels:
    istio-injection: enabled
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: helloworld
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: helloworld
    spec:
      containers:
      - name: helloworld
        image: docker.io/istio/examples-helloworld-v1
        ports:
        - containerPort: 5000
          protocol: TCP

3. 通过配置Gateway和VirtualService将流量路由到Istio IngressGateway

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: ingress-gateway
spec:
  selector:
    istio: ingressgateway
  servers:
  - port:
      name: http
      number: 80
      protocol: HTTP
    hosts:
    - "*"
---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:
  name: helloworld
spec:
  hosts:
  - "*"
  gateways:
  - ingress-gateway
  http:
  - match:
    - uri:
        prefix: /hello
    route:
    - destination:
        host: helloworld
        port:
          number: 5000

通过以上步骤，在AWS EKS Fargate上运行Istio应该是可行的。