Data science is a vast field, and there are numerous interesting projects you can undertake using Python. 

Here are 12 project ideas across various domain

Predictive Analysis for Stock Price

Sentiment Analysis on Social Media Data

Customer Segmentation for E-commerce

Credit Card Fraud Detection

Image Classification with Convolutional Neural Networks (CNN)

Recommendation System

Natural Language Processing (NLP) for Text Summarization

Healthcare Analytic

Predictive Maintenance for Equipment

Fraud Detection in Financial Transaction

Predicting Housing Prices

Churn Prediction for Subscription Service

Additionally, consider leveraging popular Python libraries such as pandas, scikit-learn, TensorFlow, and PyTorch for these projects.